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1

Sivakul, Aganitpol. "Essays in applied microeconomics." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:617fabeb-e47b-4194-bfab-a7601c0edce1.

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This thesis is a collection of three independent essays that applies microeconometrics techniques to empirically study topics in development and labour economics. The first chapter uses evidence from a natural experiment in Bangladesh, where households were treated to different types of transfer, food grains and cash, at different periods in time, to test the effect of these transfers on household consumption behaviour. Using the fixed effect instrumental variable model, the estimation results show that though in-kind transfers did cause households to consume more grain than they would have chosen under equal-value cash transfers, the impact on calorie consumption and children health status is minimal. Households that received cash were able to reallocate their funds more effectively, and chose to spend their extra income on clothing and children's non-food consumption, while at the same time spending no more on vices. The second chapter investigates the dynamics of living standards in Thailand. Income and earnings processes are first modelled after the statistical Galton-Markov process before being extended to follow a more structural permanent earnings model. Empirical estimations of income and earnings persistence in Thailand employ both constructed pseudo-panel data from Thailand's Labour Force Surveys and the Townsend Thai panel data. Galton-Markov estimates found conditional persistence to be low in Thailand. However, quantile regression estimates find that persistence is low at the bottom of the distribution but high at the top, indicating a divergence in earnings as time passes. A study of the covariance structure of earnings finds that total variation in the earnings process is predominantly driven by moderately persistent transitory components following the AR(1) process. The third chapter attempts to empirically fit the power-law distribution and study the dynamics of inequality, especially at the upper end, of the income and consumption distribution in Thailand. We find that using the popular but incorrect method based on the linear regression approach will lead to researchers drawing a wrong conclusion. Regression estimates of the power-law exponent, a, provide strong evidence of power-law fit in Thailand. However, from the implementation of the superior Clauset et al. method, the evidence in support of the power-law fit is much weaker. Estimates of a for both income and consumption suggest that there is low inequality at the top in Thailand but further inspection finds that there is a high level of persistent between-group inequality between the top and bottom ends of the distribution. In addition, following Battistin et al. (2009), we find weak support for Gibrat's law of proportional random growth as the income-generating process in Thailand.
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Goddard, John Gabriel. "Microeconomic foundations of knowledge-driven growth : modelling the dynamic allocation of R&D resources." Thesis, University of Oxford, 2004. http://ora.ox.ac.uk/objects/uuid:775f8ca2-6042-499f-926b-cdcca1acad24.

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This D.Phil, thesis undertakes a theoretical analysis of the microeconomic incentives for scientific and technical knowledge-creating activities at the firm-level, the channels by which these activities impinge on industrial change and economic growth, and the effectiveness of governmental policies formulated to influence these systemic linkages. The motivation for this work is explained in Chapter 2, which reviews the state of the art in new growth theory and puts forward a typology of privately sponsored RandD activities and knowledge resources defining the premises on which the thesis rests. Chapters 3 and 4 investigate the RandD allocation and output decisions of a profitmaximising monopolist investing in exploratory- and applications-oriented research, dealing separately with product and process innovations. The characteristic properties of the optimal time paths are ascertained by means of formal and numerical optimal control methods, including comparative dynamics. The complementarity between the two modes of research is shown to generate increasing returns, but these turn out to be short-lived. The model is extended in Chapter 5 to study the development of multiple product lines. Knowledge spillovers and demand-side externalities across successive product lines can provide the basis for continued spending on RandD, allowing sustained output growth and profitability. Chapters 6 to 8 turn to the challenges of modelling the irreducible elements of uncertainty in the innovation process and their bearing upon the dynamics of market competition and industry structure. In the sequential game theoretic model introduced, firms can invest in fundamentally uncertain "innovative-RandD," or wait until the uncertainty surrounding original innovation is dispelled and invest in certain but costly "imitative-RandD." These decisions are taken in a vertically and horizontally differentiated market where noninnovating firms can compete with a "traditional" product. The industry-wide scale of RandD investments and the related evolution in market structure are determined endogenously. To do so, a symmetric equilibrium concept is defined and its uniqueness established. The model can support Schumpeterian industry evolutions, in which surges of innovative entry are followed by waves of imitation, and ensuing "creative destruction" in which traditional producers are driven out of the industry and innovators' rents are eventually eroded. Numerical simulations are employed in Chapter 7 to provide further insights into the evolution of product development, market structure, pricing, firm growth, profitability, and consumer welfare. The final chapter considers the implications of this game theoretic approach for competition and innovation policies.
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3

Siddiqui, Asif. "Microeconomic theory and foreign policy crisis decisions : Bangla Desh, 1971." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60684.

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This study analyzes the Bangladesh Crisis by building upon previous works that have applied microeconomic theory to international relations. One of the most innovative lines of inquiry from the realist school is to study international relations through analogy with microeconomic theory. Although used to analyze conflict, war, and the workings of the international system, a strict application of microeconomic theory to interstate crises is rare. This thesis will endeavour to contribute to this linkage.
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4

Gola, Paweł. "Essays on two-sector matching, status rewards and liability." Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:d2476ffb-3853-4e5b-bdc2-4105db6036c3.

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This thesis consists of three self-contained chapters. Chapter 1 develops a two-sector, bivariate matching model, in which each sector uses a different dimension of skill in the production process. I show there exists a unique assignment of agents to sectors and derive comparative statics. The main result is that if jobs are scarce, both an increase in sector one skills' spread and a technological improvement increase the supply of talent in sector one, but decrease it in sector two. In sector two, this raises wages and wage inequality. In sector one, the effects are ambiguous in general, but wages increase for the most and decrease for the least talented agents. Chapter 2 studies the impact of social status on occupational sorting in a two-sector matching framework. Talent is two-dimensional and thus status is not a zero-sum game; it depends both on occupational prestige and within-sector rank (local status). I show that the weights with which these two components enter - the structure of status - crucially influence the way in which agents self-select into sectors and argue that it is likely that these weights differ across occupations. The more important are the individual components of status in a sector, or the less important the collective component, the better the agents who join that industry, which has important implications for total payoffs, wage levels and inequality, and profits. I also show that the stable assignment is typically inefficient, which is driven by the distortion of relative status rewards, not status concerns per se. Chapter 3 investigates whether directors of companies should have limited liability. I develop a three-player model in which: (a) debtholders and equityholders are defined by their control rights and (b) the project is run by the directors. The main result is that increased liability for directors forces them to internalise more of the downside risk of the project and hence reduces their risk-taking. This is optimal if over-investment was a problem initially. I show that the extent to which over-investment is a problem depends on how well debtholders are protected compared to equityholders. If debtholders are strong, increased liability can cause under-investment.
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5

Williams, Jack Keith. "A Behavioral Economic Analysis of the Effects of Unit Price Sequence on Demand for Money in Humans." Thesis, University of North Texas, 2002. https://digital.library.unt.edu/ark:/67531/metadc3107/.

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Three groups of participants were exposed to different unit price sequences. Unit prices for all groups ranged from unit price 1 to 21. Analyses of demand curves, response rates, session duration, and elasticity coefficients suggest that the sequence of exposure to unit prices can affect the elasticity of demand. In addition, the size of unit price contrast, direction of unit price change, and proximity to experimental milestones also may affect the consumption of monetary reinforcers.
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6

Wisson, James. "Essays in behavioural economics." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:79233340-6170-4cfe-9b35-cc6af0bee47c.

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The thesis consists of three stand-alone essays. Defaults are influential, cheap to change, and therefore of great interest to policymakers. However, it is still unclear what explains their influence. Optimal Defaults and Uncertainty presents a model in which uncertainty contributes to default inertia: decision makers may be content to stick with the default and avoid the costs of learning their optimal decision. The socially optimal default policy I find differs significantly from optimal policy in models where procrastination alone drives default inertia. I show that alternative policy measures may be more effective in improving welfare, and so the effectiveness of defaults may be more limited than previous models suggest. In Screening Salient Thinkers, I explore a model of second-degree price discrimination in which consumers with context-dependent preferences choose from a menu of price-quality bundles. Specifically, the range of prices and qualities in the menu determines the weight that consumers give to the two attributes when they evaluate bundles. 'Focusing thinkers' place more weight on the attribute that varies the most within the menu; for 'relative thinkers' the opposite is true. The monopolist exploits both types of bounded rationality. In the focusing case the cost of asymmetric information is directly reduced; with relative thinkers the monopolist can use a 'decoy good' to extract higher revenues from all consumers. Finally How Long Is Now? explores an important degree of freedom in models of present-biased preferences: when does the present end and the future begin? First I present evidence that illustrates how economists have used this degree of freedom to explain behaviour in a variety of different contexts. Second, using a novel, between-subjects experimental design, I test a hypothesis that endogenises the cut-off between the present and the future: the 'as soon as possible' effect. The effect predicts that the soonest option in a menu fixes the present horizon and implies a time-specific form of menu dependence. The experimental data collected does not support the hypothesis and this result appears robust to a number of analytical approaches.
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Dziewulski, Paweł. "Essays on time-inconsistency and revealed preference." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:e412f41a-07ef-4fdc-84cf-9862a53c7fbd.

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This thesis concerns three important issues related to the problem of time-inconsistency in decision-making and revealed preference analysis. The first chapter focuses on the welfare properties of equilibria in exchange economies with time-dependent preferences. We reintroduce the notion of time-consistent overall Pareto efficiency proposed by Herings and Rohde (2006) and show that, whenever the agents are sophisticated, any equilibrium allocation is efficient in this sense. Thereby, we present a version of the First Fundamental Welfare Theorem for this class of economies. Moreover, we present a social welfare function with maximisers that coincide with the efficient allocations and prove that every equilibrium can be represented by a solution to the social welfare optimisation problem. In the second chapter we concentrate on the observable implications of various models of time-preference. We consider a framework in which subjects are asked to choose between pairs consisting of a monetary payment and a time-delay at which the payment is delivered. Given a finite set of observations, we are interested under what conditions the choices of an individual agent can be rationalised by a discounted utility function. We develop an axiomatic characterisation of time-preference with various forms of discounting, including weakly present-biased, quasi-hyperbolic, and exponential, and determine the testable restrictions for each specification. Moreover, we discuss possible identification issues that may arise in this class of tests. Finally, in the third chapter, we discuss the testable restrictions for production technologies that exhibit complementarities. Suppose that we observe a finite number of choices of input factors made by a single firm, as well as the prices at which they were acquired. Under what conditions imposed on the set of observations is it possible to justify the decisions of the firm by profit-maximisation with production complementarities? In this chapter, we develop an axiomatic characterisation of such behaviour and provide an easy-to-apply test for the hypothesis which can be employed in an empirical analysis.
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8

Witter, William D. (William David). "The Effect of Microeconomics Instruction on Interventionist/Noninterventionist Attitudes." Thesis, North Texas State University, 1985. https://digital.library.unt.edu/ark:/67531/metadc330903/.

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The purpose of the study is to determine if there is an effect on intervention/nonintervention attitudes associated with an introductory microeconomics class. The population consisted of all students enrolled in eighteen sections of Economics 1100 during the Fall semester, 1984, at North Texs State University. There were seven sections of Economics 1100, ten sections of Sociology 1510, and ten sections of Political Science 2010 used as control groups. The instruments used for pretesting and posttesting were the twenty-three item Attitude Scale and Demographic Questionnaire. The Attitude Scale contained twelve intervention and eleven nonintervention questions. Intervention questions were reverse scored so that a high score is noninterventionist and a low score is interventionist. Data were analyzed using a multiple linear regression to determine how each variable affected the intervention/nonintervention student attitudes.
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9

Scarsi, Gian Carlo. "Electricity distribution in Italy : microeconomic efficiency analysis of local distributing units with methodological cross-checking." Thesis, University of Oxford, 1998. http://ora.ox.ac.uk/objects/uuid:ca322a0b-7fd0-4a02-a237-bb4b6f02eeda.

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This thesis analyses technical efficiency of local electricity distribution in Italy (1994, 1996) by using both econometric (deterministic frontier, stochastic frontier) and linear programming (Data Envelopment Analysis) tools. Cross-sectional data was examined with respect to (a) ENEL - the Italian electricity monopolist whose restructuring and privatisation is now under way - and its local distribution branches (Chapters 2, 3, and 5); (b) municipal authorities (MUNIs), i.e. town-based electric utilities which sometimes hold franchises for electricity distribution within city limits (Chapters 4 and 5). Estimation results from Chapters 2 and 3 highlighted non-exhaustion of scale economies at sample-mean values. Scope economies between medium and low-voltage distribution were also detected (Ch. 2). Efficiency score series stemming from both econometric and linear programming techniques in Chapters 3 and 5 showed that Southern distributors were relatively under-represented among top units even after allowing for several exogenous environmental variables. The external effects which proved to influence technical efficiency in electricity distribution were consumer density, the percentage of industrial customers, the geographical nature of areas served (metropolitan areas, mountains, etc.), and the interaction between ENEL's units and municipal utilities in those towns featuring ENEL and MUNIs bordering each other. Pooled ENEL-MUNI analysis from Chapter 4 failed to spot any systematic superiority of ENEL's units over municipalities. Generalisation on the ENEL-MUNI efficiency dispute was then discarded, in favour of case-by-case comparison. Paired-samples statistical testing (both parametric and non-parametric) from Chapter 5 showed limited agreement between Stochastic Frontier Estimation (SFE) and Data Envelopment Analysis (DEA) efficiency outcomes. Statistical concordance was more often found when comparing SFE and DEA models sharing the same input-output specification. Again, no apparent superiority of ENEL over MUNIs was found out by DEA linear programs. One-to-one comparisons confirmed that the outcomes were mixed, with ENEL's local branches outperforming MUNIs in metropolitan and (sometimes) rural areas, and MUNIs faring better in medium-sized, Po Valley towns (Northern Italy). Results were not clear-cut for Alpine and rural distributors. The latter however - should be considered on a separate basis in that they will probably need permanent subsidies to meet universal service obligations, irrespective of the future structure of electricity distribution in Italy. Comparable (e.g., urban) units might - on the other hand - be subject to yardstick regulation based upon DEA's 'efficient peer' outcomes. Apart from the main empirical work, this thesis also features institutional and theoretical overviews (Chapters 2 to 5) with relevant literature surveys, a DEA Numerical Appendix (Chapter 5), and a regional map of the Italian territory (end of thesis).
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10

Rodella-Boitreaud, Aude-Sophie. "Three essays in the applied microeconomics of conflict : the impact of landmines and war violence on social capital, socio-economic reintegration, child health and household income in Angola." Clermont-Ferrand 1, 2010. http://www.theses.fr/2010CLF10320.

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The research presented in this dissertation addresses the issue of the direct and indirect impact of war violence on the different components of households’ welfare and reintegration during and after the civil conflict that affected Angola from 1975 to 2002. Informed by the dynamics and specificities of the Angolan conflict, we generate exogeneous variation in the intensity of direct (conflict-related deaths) and indirect war violence (landmine contamination). Impacts are found to be contrasted and to extend beyond the immediate site of occurrence of those events. The findings presented contribute to improving the understanding of the impact of direct and indirect war violence impact on household as well as to the refining its implications for social and economic reconstruction. The results also highlight the role of resilience and coping mechanisms in fending off the impact of war violence
Les travaux de recherche présentés dans cette thèse s’attachent à examiner la question de l’impact direct et indirect des violences liées au conflit qui a dévasté l’Angola de 1975 à 2002 sur les ménages. Des variations exogènes de l’intensité des violences de guerre directe (décès directement liés au conflit) et indirecte (implantation de champs de mines) ont été générées après étude approfondie des dynamiques et spécificités du conflit angolais. Les résultats présentés permettent de conclure que l’impact des violences de guerre est contrasté (positif et négatif) et qu’il s’étend au-delà du lieu où ces violences ont été perpétrées. Ces résultats contribuent ainsi à l’amélioration de la compréhension de l’impact direct et indirect des violences de guerre sur les populations civiles à l’échelle des ménages ainsi qu’à une meilleure appréciation de leurs implications en termes de reconstruction sociale et économique. Les résultats soulignent également le rôle de la résilience et des mécanismes d’adaptation des ménages dans la réduction de l’impact de la violence de guerre
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Cincera, Michele. "Economic and technological performances of international firms." Doctoral thesis, Universite Libre de Bruxelles, 1998. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/212081.

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The research performed throughout this dissertation aims at implementing quantitative methods in order to assess economic and technological performances of firms, i.e. it tries to assess the impacts of the determinants of technological activity on the results of this activity. For this purpose, a representative sample of the most important R&D firms in the world is constituted. The micro-economic nature of the analysis, as well as its international dimension are two main features of this research at the empirical level.

The second chapter illustrates the importance of R&D investments, patenting activities and other measures of technological activities performed by firms over the last 10 years.

The third chapter describes the main features as well as the construction of the database. The raw data sample consists of comparable detailed micro-level data on 2676 large manufacturing firms from several countries. These firms have reported important R&D expenditures over the period 1980-1994.

The fourth chapter explores the dynamic structure of the patent-R&D relationship by considering the number of patent applications as a function of present and lagged levels of R&D expenditures. R&D spillovers as well as technological and geographical opportunities are taken into account as additional determinants in order to explain patenting behaviours. The estimates are based on recently developed econometric techniques that deal with the discrete non-negative nature of the dependent patent variable as well as the simultaneity that can arise between the R&D decisions and patenting. The results show evidence of a rather contemporaneous impact of R&D activities on patenting. As far as R&D spillovers are concerned, these externalities have a significantly higher impact on patenting than own R&D. Furthermore, these effects appear to take more time, three years on average, to show up in patents.

The fifth chapter explores the contribution of own stock of R&D capital to productivity performance of firms. To this end the usual productivity residual methodology is implemented. The empirical section presents a first set of results which replicate the analysis of previous studies and tries to assess the robustness of the findings with regard to the above issues. Then, further results, based on different sub samples of the data set, investigate to what extent the R&D contribution on productivity differs across firms of different industries and geographic areas or between small and large firms and low and high-tech firms. The last section explores more carefully the simultaneity issue. On the whole, the estimates indicate that R&D has a positive impact on productivity performances. Yet, this contribution is far from being homogeneous across the different dimensions of data or according to the various assumptions retained in the productivity model.

The last empirical chapter goes deeper into the analysis of firms' productivity increases, by considering besides own R&D activities the impact of technological spillovers. The chapter begins by surveying the alternative ways proposed in the literature in order to asses the effect of R&D spillovers on productivity. The main findings reported by some studies at the micro level are then outlined. Then, the framework to formalize technological externalities and other technological determinants is exposed. This framework is based on a positioning of firms into a technological space using their patent distribution across technological fields. The question of whether the externalities generated by the technological and geographic neighbours are different on the recipient's productivity is also addressed by splitting the spillover variable into a local and national component. Then, alternative measures of technological proximity are examined. Some interesting observations emerge from the empirical results. First, the impact of spillovers on productivity increases is positive and much more important than the contribution of own R&D. Second, spillover effects are not the same according to whether they emanate from firms specialized in similar technological fields or firms more distant in the technological space. Finally, the magnitude and direction of these effects are radically different within and between the pillars of the Triad. While European firms do not appear to particularly benefit from both national and international sources of spillovers, US firms are mainly receptive to their national stock and Japanese firms take advantage from the international stock.


Doctorat en sciences économiques, Orientation économie
info:eu-repo/semantics/nonPublished

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Michon, Junior William. "Essays in applied microeconomics." reponame:Repositório Institucional do FGV, 2015. http://hdl.handle.net/10438/15227.

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Esta tese é composta de três artigos. No primeiro artigo, ``Risk Taking in Tournaments', é considerado um torneio dinâmico no qual jogadores escolhem como alocar seu tempo em atividades que envolvem risco. No segundo artigo, ``Unitização de Jazidas de Petróleo: Uma Aplicação do Modelo de Green e Porter' é analisado a factibilidade de se haver um acordo de cooperação em um ambiente de common-pool com incerteza nos custos das empresas. No terceiro artigo, ``Oilfield Unitization Under Dual Fiscal Regime: The Regulator Role over the Bargaining', por sua vez, é estudado a unitização quando existem dois regimes fiscais distintos, como os jogadores se beneficiam disso e o papel do regulador no regime de partilha.
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Abraham, Akampurira [Verfasser]. "Microeconomics - Development aspects / Akampurira Abraham." München : GRIN Verlag, 2013. http://d-nb.info/1183547552/34.

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Pardo, Reinoso Oliver. "Essays on microeconomics." Thesis, London School of Economics and Political Science (University of London), 2015. http://etheses.lse.ac.uk/3108/.

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This thesis consists of three chapters. Using economic theory, they analyze the effect of certain changes in the environment on some variables of economic interest. The first chapter studies the effect of securitization on asset pricing when agents have heterogeneous beliefs about future dividends, prices and interest rates. The securities are constrained to belong to tranches of different payment priority, mimicking collateralized debt obligations (CDO). Securitization weakly increases the gap between the price of an underlying asset and any perceived present value of its dividends. The necessary and sufficient conditions for this increase to be strict are identified. In cases where there is a type of agent more sophisticated than all others, securitization can decrease the rate of return some agents receive without increasing the rate of return of none. The second chapter checks the robustness of a surprising result in Dekel et al. (2007). The result states that strict Nash equilibria might cease to be evolutionary stable when agents are able to observe the opponent’s preferences with a very low probability. The chapter shows that the result is driven by the assumption that there is no risk for the observed preferences to be mistaken. In particular, when a player may observe a signal correlated with the opponent’s preferences, but the signal is noisy enough, it is shown that all strict Nash equilibria are evolutionary stable. The third chapter studies one dimension of the social cost of bad public infrastructure in developing countries. It uses an extensive period of power rationing in Colombia throughout 1992 as a natural experiment and exploit exogenous spatial variation in the intensity of power rationing as an instrumental variable. It is estimated that power rationing increased the probability that a mother had a baby nine months later by five percent. Women who were exposed to the shock and had an additional child tend to be in worse socio-economic conditions more than a decade later.
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Caramellino, Gianpaolo. "Essays in applied microeconomics." Thesis, London School of Economics and Political Science (University of London), 2018. http://etheses.lse.ac.uk/3786/.

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This thesis consists of three chapters that belong to the realm of Applied Microeconomics. The first two chapters are empirical projects that assess the role of time for human capital development of immigrants in the U.S. The third one is a theory project that studies how managerial career concerns and experimentation influence risk-taking behaviours. Chapter 1 studies how age at arrival in the U.S. affects the skill development of young immigrants in the U.S. Using the within family variation across siblings entered in the U.S. at different ages, I document a cognitive/non-cognitive tradeoff induced by age at arrival. As for cognitive skills, the effect of age at arrival is negative, in particular for the ability to learn English. The effect on cognitive skills is reflected in immigrants’ educational achievements. However, age at arrival plays a positive role for illicit behaviours. Children of immigrants arrived later tend to show less problematic behaviours than their siblings arrived earlier, also controlling for their English ability. Through an indirect accounting exercise, I estimate the negative effect of age at arrival on the labor market performance of immigrant adults. I conclude the paper showing that more educated parents anticipate the arrival of their children in the U.S. Chapter 2, co-authored with Leonardo Felli, Carola Frege and Yona Rubinstein, studies the intergenerational assimilation of immigrants in the U.S. In our study, we observe the outcomes of several immigrant generations. Moreover, we link immigrant mothers and their children, thus observing the outcomes of two immigrant generations belonging to the same cohort. Controlling for the selection into migration and return migration, we document that it takes two immigrant generations to exhaust the full potential of cognitive and educational assimilation, while it might take longer for other social outcomes, such as the attitude towards problematic behaviour and the likelihood of having children. Chapter 3, co-authored with Francesco Sannino, studies the effect of managerial career concerns and experimentation on risk-taking. We model an economy where managers create value through their ability to learn at an intermediate stage about the intrinsic profitability of a risky investment. Managers are heterogeneous in their ability to extract information from experiments, and care about their reputation. Their incentive to take on risk is distorted by career concerns, and can result in under or over risk-taking. When, following the experiment, better managers discard risky projects more often than bad ones we observe over risk-taking. Our result is in contrast with Holmstr ̈om (1999) where managers’ ability affects the project’s success rate, and career concerns can only produce inefficiently low risk-taking. We show that the inefficiency is reduced in one extension of the model, where the market can also observe the outcome of similar projects. The novel implication is that markets more plagued by career concerns distortions are those where managers engage in more idiosyncratic activities.
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Pinna, Fabio. "Essays in applied microeconomics." Thesis, London School of Economics and Political Science (University of London), 2014. http://etheses.lse.ac.uk/930/.

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This thesis is composed by three essays and applies econometric methods to analyze different economic research questions using microeconomic data. The first essay (chapter 2) analyzes consumer searching behavior in a grocery context. The second essay (chapter 3) studies the implications of the introduction of a bonus scheme in a principal-agent context using data from furniture sales. The third essay (chapter 4) proposes an empirical strategy to estimate the impact that a worsening in banks’ wholesale funding opportunities (such as the Italian sovereign debt crisis of 2011) has on borrowers’ ability to repay their loans. Chapter 5 concludes the thesis and provides some directions for future work. The first essay (chapter 2), written jointly with Stephan Seiler, estimates the effect of time spent searching in a supermarket on consumers’ expenditure. The analysis is implemented using a unique data-set obtained from radio frequency identification tags which are attached to supermarket shopping carts. This allows us to record consumers’ purchases as well as the time they spent in front of the shelf when contemplating which product to buy, giving us a direct measure of search effort. We estimate the effect of extending search on the price consumers pay within a category while controlling for a host of confounding factors such as category-level price variation over time and measurement error. Our results show that an additional minute spent searching lowers category-level expenditure by $1.40. Extending search-time by one standard deviation allows consumers to appropriate 8 percent of the possible category-level price savings. The second essay (chapter 3) uses data on the staff of a furniture firm to show that, when a fixed bonus scheme conditional on revenues was introduced, it increased the revenues generated by all sales employees, but I find no significant heterogeneous effect of the bonus scheme depending on whether the employee is given control over price or not. The essay also shows that giving the sales staff control over price does not significantly increase revenues. The effect of the bonus scheme and of price delegation on gross profits minus paid bonuses, commissions, and wages were similar. These results are robust to a number of checks, and are consistent with a model of moral hazard and price delegation. The effect of the bonus scheme and of price delegation on gross profits minus paid bonuses, commissions, and wages were similar. These results are robust to a number of checks, and are consistent with a model of moral hazard and price delegation. Chapter 5 concludes and discusses the limitations of the current work and provides some directions for future research.
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Moraes, Orozimbo José de. "Instrumentos microeconômicos de políticas ambientais." Pontifícia Universidade Católica de São Paulo, 2007. http://tede2.pucsp.br/handle/handle/2642.

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The purpose of this work is to analyse the environmental economics instruments, based in microeconomics and according to the policy matrix of The World Bank. Follow the evolution of environmental policy instruments from the firsth wave of comand and control instruments, the second wave of market based instruments in the 1970s and 1980 and the third wave of information disclosure in recent years. The concepts of sustainable development, welfare economics and market failure are preliminarly viewed to the analysis of instruments for resource management and pollution controll, as standards, tradable permits, subsidies, environmental taxes over production and goods, systems of deposit-refund, and public participation
Este trabalho se propõe a analisar os instrumentos econômicos de política ambiental, com base na microeconomia e segundo a classificação da matriz política do Banco Mundial. A evolução dos instrumentos de política econômicos é acompanhada pelas fases iniciadas com os instrumentos de comando e controle; na segunda, são usados instrumentos baseados no mercado dos anos 1970 e 1980 e, na terceira fase, é apresentado os instrumentos promotores de informações dos anos mais recentes. Os conceitos de desenvolvimento sustentável, bem-estar e falha de mercado são abordados preliminarmente para a análise dos instrumentos voltados para a administração de recursos e para o controle da poluição, como padrões, permissões comerciáveis, subsídios, impostos e taxas sobre a produção e sobre produtos, sistemas de depósito-reembolso e engajamento do público
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18

Burchardi, Konrad Burchard. "Three essays in applied microeconomics." Thesis, London School of Economics and Political Science (University of London), 2011. http://etheses.lse.ac.uk/3790/.

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This thesis comprises three independent chapters, spanning the range of my interests. The first chapter provides estimates of the causal effects of social ties on aggregate, firm level and individual level economic outcomes. The second chapter is a first step at understanding the joint determination of language change and economic structural change which seems to have occurred over the past centuries and probably continues today. A joint theme in these papers is the attempt to contribute to our understanding of the extent to which cultural and social factors can impact market outcomes. The second paper is as well interested in a specific channel through which economic outcomes can feed back on a cultural aspect of societies. The third paper seeks to contribute to our understanding of a more traditional economic question, namely individual behaviour in strategic situations. In particular it uses a novel experimental design to investigate individual behaviour in unprecedented strategic situations and estimate the parameters of a structural non-equilibrium model of behaviour. I like to belief that the chapters of this thesis, especially the second and third chapter, tie up closely the theoretical and empirical work and make a humble contribution to our understanding of economic behaviour and market functioning.
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19

Markakis, Evangelos. "Computational Aspects of Game Theory and Microeconomics." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7173.

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The purpose of this thesis is to study algorithmic questions that arise in the context of game theory and microeconomics. In particular, we investigate the computational complexity of various economic solution concepts by using and advancing methodologies from the fields of combinatorial optimization and approximation algorithms. We first study the problem of allocating a set of indivisible goods to a set of agents, who express preferences over combinations of items through their utility functions. Several objectives have been considered in the economic literature in different contexts. In fair division theory, a desirable outcome is to minimize the envy or the envy-ratio between any pair of players. We use tools from the theory of linear and integer programming as well as combinatorics to derive new approximation algorithms and hardness results for various types of utility functions. A different objective that has been considered in the context of auctions, is to find an allocation that maximizes the social welfare, i.e., the total utility derived by the agents. We construct reductions from multi-prover proof systems to obtain inapproximability results, given standard assumptions for the utility functions of the agents. We then consider equilibrium concepts in games. We derive the first subexponential algorithm for computing approximate Nash equilibria in $2$-player noncooperative games and extend our result to multi-player games. We further propose a second algorithm based on solving polynomial equations over the reals. Both algorithms improve the previously known upper bounds on the complexity of the problem. Finally, we study game theoretic models that have been introduced recently to address incentive issues in Internet routing. A polynomial time algorithm is obtained for computing equilibria in such games, i.e., routing schemes and payoff allocations from which no subset of agents has an incentive to deviate. Our algorithm is based on linear programming duality theory. We also obtain generalizations when the agents have nonlinear utility functions.
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20

Alderighi, Stefano. "Essays in empirical microeconomics and finance." Thesis, University of Essex, 2016. http://repository.essex.ac.uk/16771/.

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The present thesis is divided in three chapters. The first focuses on Education Economics. The second and the third on Household Finance. The following paragraphs describe the contents of each chapter in more detail. The first essay compares and contrasts aggregate and individual level analyses to investigate the relationship between economic fluctuations and tertiary education enrollments in Italy. It shows that aggregate enrollments follow a procyclical pattern. Consistently, it finds that Italian young individuals living with their parents implement a procyclical enrollment decision. The paper tries to reconcile the empirical evidence with theoretical predictions, and investigates a number of different channels. It proposes a rather novel, nevertheless theory consistent interpretation for the evidence found. The paper argues that Italian individuals living with their parents implement a procyclical behaviour because they can't access credit to finance their education. It supports this statement with consistent empirical evidence. The second essay studies whether labour income volatility crowds out investment in risky assets in Italian households. Justified by the literature on limited participation, the paper makes use of reduced form estimations to show that Italian households hedge their labour income risk on the risky assets market. It contributes by proposing a novel measure of labour income volatility, ground on the literature on labour income dynamics. On a methodological perspective, the paper adds to the literature by estimating reduced form models using a recent estimation technique, never implemented before in this branch of research. It shows that the new methodology overcomes some of the limitations of the techniques previously applied in the literature. The third essay, co-authored with Professors Sule Alan and Eric Smith, focuses on the subprime credit market in the United Kingdom. Making use of a unique database centered on a randomized trial experiment, the paper identifies the causal effect of an increase in the cost of credit on individual credit demand and default probability.
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21

Blanchenay, Patrick. "Essays in applied microeconomics." Thesis, London School of Economics and Political Science (University of London), 2013. http://etheses.lse.ac.uk/816/.

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This thesis addresses three questions using the same tool of microeconomic modelling. In the first chapter (joint with Emily Farchy), I examine the role of individual’s decision to acquire broad versus specialist knowledge. I show that a worker can afford to become more specialized on a narrower set of skills by relying on other workers for missing skills. This yields a new explanation of the urban wage premium, and in particular of why workers tend to be more productive in bigger cities, where the existence of better networks of workers provides more incentives to acquire specialized skills. This conclusion matches well established empirical findings on workers’ productivity in the literature. In the second chapter, I look at the dynamics of human capital acquisition over time and show the possibility of what I term a social poverty trap. Namely, parents who do not instil in their offspring the culture of social cooperation (modeled as a higher discount rate) deny them the possibility of future good outcomes; in turn, this new generation will be unable to invest resources in the socialization of their offspring, and so on. This creates a poverty trap where some dynasties are stuck in a bad equilibrium. In the last chapter, I model political parties campaigning on different issues to voters with limited attention. I assume that the relative salience of the different issues depend on how much time parties devote to each issue. In this setting, I show that campaigning might result in excessive focus on divisive issues (for political differentiation) to the detriment of Pareto-improving ones.
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22

Dorsey, Robert Earl. "The effects of endogenously-generated information on specific economic institutions." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184816.

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The effects of endogenously generated information on decision making is studied within three economic institutions. A non-market institution, (voluntary contributions for the provision of a public good), and a market institution, (sealed bid auctions), which both have been extensively studied as non dynamic institutions were used to examine the effects of dynamically generated information. A third institution, the double auction, which has been studied as a dynamic institution, was used to develop prototype methodology for the simulation and estimation of decision strategies with dynamic environments. Experimental results are presented showing the effects of allowing real time revisions of voluntary contributions for the provision of a public good. Four public good payoff functions are examined, each of which generates specific equilibria. Evidence of increased provision of the public good is demonstrated for: (i) the case in which revisions are limited to increases and a provision point exists, and also (ii) the case in which there is a high initial marginal return from the public good. An experimental investigation of sequential first and second price sealed bid auctions is conducted examining the effects of known capacity constraints on bidding behavior. Results are presented and compared to a Nash equilibrium model developed by Robert Weber. These naturally occurring inter-auction limitations are shown to significantly affect revenue generation capabilities of sealed bid auctions. Bidding and price behavior is presented and is found to be inconsistent with the model. A methodology is proposed as a means for attempting to identify and estimate strategies utilized by participants within dynamic institutions. The methodology was used on the double auction. Computer automata are used to examine the contracting behavior of a variety of decision rules. Simulations of the decision model are run using parameters common to past experiments. The resulting contracts are compared to corresponding experiment contracts and are found to follow similar patterns. Two double auction experiments, each with ten subjects were used to generate actual contracting data. The parameters of the proposed decision model are estimated from data on the individual decisions of the subjects.
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23

Rialland, P. C. R. P. "Three essays in applied microeconomics." Thesis, University of Essex, 2018. http://repository.essex.ac.uk/23688/.

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This thesis focuses on three vulnerable groups in Europe that have recently been highlighted both in media and in the economics literature; and that are policy priorities. Chapter 1 is a joint work with Giovanni Mastrobuoni which focuses on prisoners and peer effects in prison. Studies that estimate criminal peer effects need to define the reference group. Researchers usually use the amount of time inmates overlap in prison, sometimes in combination with nationality to define such groups. Yet, there is often little discussion about such assumptions, which could potentially have important effects on the estimates of peer effects. We show that the date of rearrest of inmates who spend time together in prison signals with some error co-offending, and can thus be used to measure reference groups. Exploiting recidivism data on inmates released after a mass pardon with a simple econometric model which adjusts the estimates for the misclassification errors, we document homophily in peer group formation with regards to age, nationality, and degrees of deterrence. There is no evidence of homophily with respect to education and employment status. Chapter 2 evaluates a policy in the English county of Essex that aims to reduce domestic abuse through informing high-risk suspects that they will be put under higher surveillance, hence increasing their probability of being caught in case of recidivism, and encouraging their victims to report. Using a Regression Discontinuity Design (RDD), it underlines that suspects that are targeted by the policy are more 9% more likely to be reported again for domestic abuse. Although increasing reporting is widely seen as essential to identify and protect victims, this paper shows that policies to increase reporting will deter crime only if they give rise to a legal response. Moreover, results highlight that increasing the reporting of events of that do not lead to criminal charges may create escalation and be more detrimental to the victim in the long run. Chapter 3 investigates how migrants in the United Kingdom respond to natural disasters in their home countries. Combining a household panel survey of migrants in the United Kingdom and natural disasters data, this paper first shows, in the UK context, that male migrants are more likely to remit in the wake of natural disasters. Then, it underlines that to fund remittances male migrants also increase labour supply, decrease monthly savings and leisure. By showing how migrants in the UK adjust their economic behaviours in response to an unexpected shocks i.e. natural disasters, this paper demonstrates both how UK migrants may fund remittances and that they have the capacity to adjust their economic behaviours to increase remittances.
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24

Chen, Yujiang. "Essays in empirical microeconomics." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/276976.

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In this thesis, I study the impact of minimum wage policy and city agglomeration on wages and employment in local labour markets. This is an important topic because having a better understanding of the determinants of regional wage differentials and employment offers insights into: the roles played by local production, consumption and city structures; the standard of living enjoyed by workers with different human capitals; and policy recommendations for the future minimum wage law and city planning regulations. I use local occupation and geographic information to assess how highly productive occupations and local consumption amenities sort workers and generate local wage differentials. I also use this information to construct instruments that enable the accurate estimation of the effects of policy interventions. After an introduction in chapter 1, chapter 2, The Impact of the Minimum Wage on the Wage Distribution: Evidence from China, provides an empirical estimation of the effects of minimum wages using a Chinese household survey. I introduce new instrumental variables, relating to transport costs and local productivity, to control for the potential median wage endogeneity. The instrument variable regressions indicate that the effective minimum wage, defined as the ratio between the minimum wage and the median wage, significantly reduces the lower tail wage inequality — measured by the wage differential between the 50th and the 10th percentiles— by up to 0.3 per cent. In chapter 3, The MinimumWage and Its Impact onWage and Employment, joint work with Coen Teulings, we propose a novel framework for estimating the effects of minimum wages by considering the neoclassical wage and labour participation equations at the same time. To estimate the non-linear censored model with correlated error terms, we provide a five-step procedure and use maximum likelihood estimation. After correcting the bias using occupation information and city size, we find that effective minimum wage correlate significantly with the proportion of workers earning below minimum wage. I study the structure of city and commuting in chapter 4, Consumer City and the Sharing Economy. Based on the international trade literature, I develop a theoretical model with multiple cities, which have different amenities and productivities. In equilibrium, the unobservable parameters are estimated using local employment, wage, and commuting information. Cities show strong agglomeration effects in both productivity and consumption amenities. A counterfactual technological improvement, providing a cheaper transportation for workers and consumers, leads to a more concentrated employment distribution, commuting pattern and higher utility. In the final chapter, Agglomeration and Sorting, joint work with Coen Teulings, we show that agglomeration externalities are strongly related to the occupational structure. At the same time, regional differences in house prices offset these externalities. We develop a multi-region model with regional heterogeneity in workers and jobs, tradable versus non-tradable commodities, consumption amenities, regional house prices, non-homothetic utility, and interregional labour mobility. The model fits the regional data on the fixed wage effects, the return and mean level of human capital, land prices, and the city-rural area distinction well. We use land values to calculate the value of agglomeration.
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25

Lee, Hoan Soo. "Essays on Applied Microeconomics." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:10837.

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Empirical and theoretical topics in applied microeconomics are discussed in this dissertation. The first essay identifies and measures managerial advantages from access to high-quality deals in venture capital investments. The underlying social network of Harvard Business School MBA venture capitalists and entrepreneurs is used to proxy availability of deal access. Random section assignment of HBS MBA graduates provides a key exogenous variation for identification. Being socially connected to peer venture capital firms and private equity seeking startups leads to more deal flow, larger asset under management and better performance in the inaugural funds of HBS-executive run venture capital firms. The second essay presents a two-stage model of competing ad auctions. Search engines attract users via Cournot-style competition. Meanwhile, each advertiser must pay a participation cost to use each ad platform. Advertiser entry strategies using symmetric Bayes-Nash equilibrium that lead to the Vickrey-Clarke-Groves outcome of the ad auctions are derived. Consistent with the model predictions, empirical evidence shows that multi-homing advertisers are larger than single-homing advertisers. Comparative statics on consumer choice parameters, quality, and user welfare are used to analyze the prospect of joining auctions to mitigate participation costs. The analysis provides conditions when such joins do and do not increase welfare. The third essay develops and computes a dynamic model of search in internet advertising. Micro-level browsing data from Microsoft's Bing.com (formerly known as Live.com) is used for structural estimations. The model predicts that users do not click on any ad with weak signals due to accumulating search cost and monotonicity of the value function. Rational search reveals a cascading pattern: the user clicks on a sufficiently high, highest-signal ad first, then moves on to the ad with the next highest conditionally expected probability of match once his assessment on the current ad degrades over time. The user exits when maximum assessment of likelihood of match over all ads is below a threshold value. The essay provides a novel approach to understanding rational herding behavior when product quality is only partially unraveled.
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26

Price, David Charles. "Aspects of agricultural cooperative performance measurement : a study of performance criteria and relevant microeconomic theory appropriate to informing U.K. agricultural cooperative stakeholders." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357324.

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27

Fetzer, Thiemo. "Of naxalites, pirates and microfinance borrowers : three essays in applied microeconomics." Thesis, London School of Economics and Political Science (University of London), 2014. http://etheses.lse.ac.uk/1011/.

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This thesis consists of three chapters that fall under the broad banner of applied microeconomics, with a particular focus on the study of conflict and its social cost. The importance of social security systems, providing a safety net for individuals to cope with shocks is well understood in developed countries. Less developed countries struggle with implementing social security schemes, due to a lack of state capacity, which often render these schemes less effective than designed. However, social insurance schemes may have far greater benefits in societies, where there is latent conflict. In the first chapter of this thesis, I study the Indian employment guarantee act and its effect on rural labour markets, mitigating adverse shocks by providing safe outside options. I show that this scheme has a significant effect on the dynamics of intra-state conflict: it moderates the cyclical nature of conflict triggered by adverse shocks and thus, helps to contribute to substantially lower levels of overall violence. The importance of technologies to smooth adverse shocks, in particular, shocks due to bad weather, will become increasingly important due to climate change. The second chapter analyses a dimension along which conflict is costly. We estimate the impact of Somali piracy on the costs of trade. In spite of general agreement that establishing the rule of law is central to properly functioning economies, little is known about the cost of law and order breakdowns. We study shipping routes whose shortest path exposes them to the risk of piracy and find that the increase in attacks in 2008 lead to an 8 to 12 percent increase in shipping costs. We estimate the welfare loss due to piracy based on these estimates and arrive at a fairly conservative estimate: generating around 120 USD million of revenue for Somali pirates led to a welfare loss in excess of 630 USD million, highlighting that the welfare losses from trade disruptions are substantial and piracy capture only a small share relative to the loss in welfare. The third chapter is reflecting my earlier research interest in the economics of micro finance. The chapter provides a theoretical model contrasting individual liability lending with and without groups to joint liability lending. This research is motivated by an apparent shift away from joint liability lending, while still retaining the group structure. We show under what conditions individual liability can deliver welfare improvements over joint liability, conditions that depend on the joint income distribution and social capital. We then show that lower transaction costs that mechanically favour group lending may also encourage the creation of social capital. In the last section, we draw on estimated parameters to simulate the model and to quantify our welfare conclusions.
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28

Chan, Kim-hung. "An inquiry into the economic understandings of S3 students in Hong Kong : a phenomenographic study /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18810834.

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29

Suutari, T. (Tero). "Economic aspects in education." Master's thesis, University of Oulu, 2015. http://urn.fi/URN:NBN:fi:oulu-201504021231.

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Leading theme in this master’s thesis is adaptation and preparation to ever changing requirements of skills and knowledge in the working life. These changes of requirements in the working life are implied by the changes in the occupational structure in Finland that is presented in the thesis. The data used in thesis to show the changes in the occupational structure in Finland Finnish Longitudinal Employer-Employee Data, FLEED, which is gathered by Statistics Finland and it shows changes in occupational structure of Finland between years 1995 and 2007. Education is considered in this thesis so that its object is to prepare children and future generations for working life with suitable skills and knowledge. The variety of other, equally important, objects that education has and possibly contradictions as well as problems that might arise in the course of achieving all the objects is beyond of this study. Changing occupational structure arises a question that how education prepares itself to the unknown changes? To answer the question asked, I will introduce Economics of education and Educational planning and how these two relate to each other, especially how economics of education has affected education and educational planning. Therefore I will first take historical review of the economics of education and introduce two main theories; human capital theory and screening theory. The main difference of these two will be explained and also what kind of difference it would make to education if either one could be proved right. It would also have an effect on how education should be arranged in the society. Educational planning has had, in its course, different approaches to analyze and predict future. I will review those approaches; also these approaches have been influenced by economics of education. In the last part of the thesis I bring up studies in Finland has tried to prepare and project changing work life. Also I discuss about can education bring something new to economics of education
Tämän Pro gradu-tutkielman johtava teema on mukautuminen ja valmistautuminen muuttuviin vaatimuksiin tiedoista ja taidoista työelämässä. Ammattirakenteen muutos Suomessa viittaa siihen että vaatimukset erilaisille tiedoille ja taidoille työelämässä on tapahtumassa. Aineisto ammattirakenteen muutoksesta on Tilastokeskuksen yhdistetty työntekijä-työnantaja-aineisto (Finnish Longitudinal Employer-Employee Data FLEED). Ammattirakenteen muutos ajoittuu vuosien 1995 ja 2007 välille. Koulutus mielletään tässä Pro gradu-tutkielmassa sellaiseksi toiminnaksi jonka tavoite on valmistaa lapsia sekä tulevia sukupolvia työelämään oikeanlaisilla taidoilla ja tiedoilla. Yhtälailla tärkeät muut tavoitteet, mitä koulutukselle ja kasvatukselle on annettu, sekä mahdollisesti syntyviä ristiriitoja tavoitteita saavuttamisessa ovat tämän tutkielman ulkopuolella. Muutokset ammattirakenteessa luo kysymyksen, että miten koulutus on valmistautunut tällaisiin tuntemattomiin muutoksiin? Vastatakseni kysymykseen esittelen koulutusekonomian ja koulutussuunnittelun, sekä erityisesti miten koulutusekonomia on vaikuttanut koulutussuunnitteluun. Aluksi käyn läpi koulutusekonomian ja esittelen sen kaksi pääteoriaa: inhimillisen pääoman teorian ja siiviläteorian. Selitän millä tavoin nämä teoriat eroavat toisistaan ja mikäli jompikumpi voidaan todistaa oikeaksi millainen vaikutus sillä olisi koulutukseen. Koulutussuunnittelussa on käytetty monenlaisia analysointivälineitä tulevaisuuden ennakoimiseksi. Esittelen nämä eri tavat ja työkalut, sekä miten koulutussuunnittelu on historiansa aikana muuttunut ja miten taloudellinen ajattelu on muuttanut koulutussuunnittelua. Viimeisessä osassa tuon esille tutkimuksia siitä miten Suomessa pyritään ennakoimaan ja valmistautumaan muutoksiin työelämässä. Käyn myös keskustelua siitä voiko kasvatustiede tuoda jotain uutta koulutusekonomiaan
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30

Aguilar, Bobadilla Silvia E. "ECONOMIC ASPECTS OF HISTORICAL CONTAMINATION." Doctoral thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-161826.

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The main scope of the work is to support a wider understanding of the achievements and limitations of economic analysis in historical contamination issues. The work describes how various schools of economics focus their study on environmental problems, specifically on Brownfields redevelopment. It presents the ideas of environmental economics, resource economics, free market environmentalism, institutional economics, political economy and ecological economics. The work includes a case study from the region of Ralsko in North Bohemia.
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31

Carvalho, Rafaela M. Nogueira de. "Essays on health economics." reponame:Repositório Institucional do FGV, 2016. http://hdl.handle.net/10438/17712.

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Essa tese de doutorado se divide em três artigos. O primeiro artigo tem como objetivo analisar o impacto das restrições ao fumo nos EUA na qualidade dos nascimentos. Por qualidade dos nascimentos entende-se saúde do recém nascido. O segundo artigo estuda o impacto da introdução do divórcio unilateral no peso infantil. E o último artigo se propõe a identificar quais os impactos dos empréstidos do BNDES aos frigoríficos brasileiros para os consumidores finais e produtores primários.
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32

Cotelo, Fernando Cardoso. "Revitalização do centro histórico de São Paulo e habitação popular: microeconomia e microgerografia." reponame:Repositório Institucional do FGV, 2009. http://hdl.handle.net/10438/2656.

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This doctoral dissertation is a research on the production of low-income housing in a context of a revitalizing programme for the central districts of São Paulo. The argument revisits the mainstream urban microeconomic approach and confronts it with an alternative theoretical approach. To this purpose, in order to access the extension and geographical pattern of degradation, a field study was conducted through actual observation of underoccupied real estate traits and their identification in satellite images as well as data treatment using geographical information systems. The data corroborate the plausibility of the alternative approach and indicate some of the local socioeconomic characteristics that contribute to the present state of degradation. The data analysis then suggests factors that may have lead to the poor performance of the low-income housing production programme in the larger downtown revitalization agenda.
Esta tese de doutorado estuda a produção de unidades habitacionais para famílias de baixa renda coordenada com o programa de revitalização da região central do município de São Paulo. O estudo recupera o discurso da teoria microeconômica tradicional aplicada a estudos urbanos e o contrapõe a um discurso alternativo. Foi criada uma base de dados original na forma de um levantamento dos imóveis subutilizados nos distritos Sé e República a partir de visitas a campo, com observações diretas dos imóveis e utilizando técnicas de identificação por imagens de satélite e sistemas de geoprocessamento para avaliar a extensão e os padrões da degradação imobiliária. Os resultados da análise do banco de dados demonstram a plausibilidade do discurso alternativo e apontam para alguns fatores significativos que contribuem para o atual estado de degradação. Retoma-se então a análise da política de repovoamento da região central por meio de um programa de moradias para famílias de baixa renda e mostra-se como as técnicas empregadas permitem avaliar as razões para o baixo desempenho dessa agenda política no contexto de um amplo programa de revitalização urbana.
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33

Ng, Desmond. "Micro-economic evolution of the firm : an organizational ecology perspective." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27383.

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Selection and adaptation paradigms have been jointly employed in the derivation of a theoretical model of firm evolution. This construct enabled researchers to explore: "why are there so many different kinds of organizations?". In that, evolutionary influences and adaptive firm behaviour were simultaneous forces that shape the survival of organizational forms over time. Such a notion was applied towards a dynamic programming context. This dynamic programming model was translated into a computer simulation such that an empirical representation of firm evolution was depicted.
The results from four computer simulations confirmed the selection and adaptation propositions described in this research. The simulations found evolutionary forces to be significant determinants to differentiating firm survival. While, adaptive firm behaviour only served to prolong organizational survivability with in the confines of the selection forces of the market.
Future organizational research should focus on expanding the dimensions of strategic adaptation, strategic, voluntarism, niche width dynamics, organizational inertia theory and organizational slack. By addressing these areas, a more comprehensive depiction of organizational evolution could be attained.
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34

Heintz, Emelie. "Health economic aspects of diabetic retinopathy." Doctoral thesis, Linköpings universitet, Utvärdering och hälsoekonomi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-76283.

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To ensure that the resources of the health care sector are used effectively, new technologies need to be evaluated before implementation to examine if they generate health outcomes at an acceptable cost. This information can be collected by performing health economic evaluations in which the costs and health outcomes of different technologies are compared. To estimate the effect on health care budgets, there is also a need for information about the prevalence of the specific disease. Health outcomes in health economic evaluations are often measured in quality-adjusted life years (QALYs), which are calculated by multiplying the remaining life years after an intervention by a weight representing the health-related quality of life (HRQoL) during those years. This thesis aims to provide deeper knowledge of the health economic aspects of diabetic retinopathy (DR), an eye complication that affects patients with diabetes and may in the worst case lead to blindness. The focus is on three empirical and two methodological health economic research questions. The empirical research areas cover prevalence, costs, and HRQoL related to patients with DR. The methodological research questions explore the performance of different methods for estimation of QALY weights. This is of interest since it has been argued that the most common methods for estimating QALY weights may not capture all relevant vision-related aspects of quality of life. The analyses comprehend the validity of different methods for estimating QALY weights among patients with DR and if the results of one of the specific methods for estimating QALY weights, the time trade-off (TTO) exercise, are affected by patients’ subjective life expectancy (SLE). The empirical results demonstrate that DR is seen in approximately 40% and 30% of patients with type I and type II diabetes respectively, indicating that the prevalence of DR has decreased in both of these patient groups. Healthcare costs vary considerably between different severity levels of the disease, being estimated at €26, €257, €216, and €433 per patient per year for background retinopathy, proliferative diabetic retinopathy (PDR), diabetic macular oedema (DMO), and PDR combined with DMO respectively. Blindness due to DR is associated with an increased use of transportation services, caregiving services, and assistive technologies as well as productivity losses. This suggests that preventing the progression of DR may lower healthcare costs. Patients with vision impairment due to DR have lowered HRQoL in various dimensions, but the diagnosis of DR in itself has only a limited effect on HRQoL. The results on the methodological research questions show that different methods for estimating QALY weights seem to give different results. In comparison to EQ-5D, the Health Utilities Index Mark 3 (HUI-3) is the most sensitive method for detecting differences in QALY weights due to DR, and if decisions are to be made based on values from the general public, it can be recommended for use in cost-utility analyses of interventions directed at DR. Neither of the direct methods, TTO and the visual analogue scale, seems to be sensitive to differences in visual function, and more research is needed concerning the role of vision in people’s responses to the TTO exercises. In TTO exercises with time frames based on actuarial life expectancy, the patients’ SLE has an effect on their willingness to trade off years for full health. Thus, applying time frames deviating from patients’ SLE may result in biased QALY weights. Such bias may appear stronger within patient populations than within the general public. In conclusion, this thesis offers estimates for prevalence, costs, and QALY weights that can be used in economic evaluations of interventions directed at DR and as benchmarks for future DR research in order to follow up consequences of changes in diabetes care. In addition, it demonstrates that the choice of method for estimating QALY weights may have an impact on whether an intervention is considered cost-effective.
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Santos, Alvaro K. "Economic aspects of airport security measures." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA366334.

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36

Sach, Tracey Helen. "Economic aspects of paediatric cochlear implantation." Thesis, University of Nottingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403949.

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37

Echevarne, R. "Economic aspects of the Spanish airports." Thesis, Cranfield University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309617.

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38

Miltz, David. "Economic aspects of targeting environmental policy." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235914.

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This thesis is composed of two parts; the first addresses theoretical aspects of the economics of targeting pollution control policy, whilst the second is an illustrative case study designed to embellish the more abstract insights of the first section.
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39

Nazerzadeh, Hamid. "Internet advertising : optimization and economic aspects /." May be available electronically:, 2009. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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40

Hefti, Elise. "Economic aspects and implications of obesity." Frankfurt, M. Berlin Bern Bruxelles New York, NY Oxford Wien Lang, 2009. http://d-nb.info/995713553/04.

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41

Stefani, Gianluca. "Economic aspects of information in environmental economics." Thesis, University of York, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.489205.

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Information may resolve uncertainty and uncertainty is pervasive. Thus, seeking, producing and trading of information are common economic activities. This is also true in the economics of the environment and for the different stakeholders therein involved. The central aim of this research is to investigate some theoretical aspects of the value and effects of information in environmental economics. Information is valuable either as a decision aid in contexts where either health and environmental characteristics of goods are uncertain or as the object of direct valuation under different provision rules. In a choice context three questions arise providing grounds for empirical investigations.
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42

Cali, Massimiliano. "Spatial aspects of the economic development process." Thesis, London School of Economics and Political Science (University of London), 2009. http://etheses.lse.ac.uk/2068/.

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In recent years the spatial dimension of economic development has attracted increasing interest in the development field. However there is still little analysis and evidence of the ways many spatial dimensions interact with other economic dimensions in the development process. This thesis aims to help filling this gap by bringing a geographical perspective into development economics frameworks. It is empirical in nature and uses data on different sub-national units from India and Uganda. The work is structured around four main papers (divided into six chapters). The first paper analyses two important aspects of the Indian urbanisation process. First it finds a U-shaped relation between rural-urban disparities in living standards and income per capita across Indian states in the Post-Independence period. Second, it shows that the urbanisation process in India has been characterised by convergence in the 20th century: smaller towns grow faster than large ones. The second paper examines the role of the agricultural sector in influencing the shape of the urban system. The analysis suggests that the elasticity of rural-urban labour supply increases both urban primacy and the urbanisation rate in Indian states during the Post-Independence period. The third paper tests for the impact of urban growth on rural poverty using a sample of Indian districts in the period 1981-1999. It finds that urbanisation reduces poverty surrounding rural areas. This effect is largely attributable to positive spillovers from urbanisation rather than to the movement of the rural poor to urban areas. The final paper examines the deteminants of rising returns to schooling in Ugandan districts during the 1990s. The findings suggest that both educational supply and demand factors influenced the wedge between skilled and unskilled labour. Moreover while trade opening reduced this wedge, pro-market reforms increasing inter-district trade raised returns to education in districts relatively abundant in skilled labour.
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Ivlevs, Artjoms. "Economic and political economy aspects of migration." Aix-Marseille 2, 2006. http://www.theses.fr/2006AIX24009.

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L’objectif de cette thèse est d’explorer plusieurs phénomènes liés à la migration en prenant en considération différents aspects de la réalité économique contemporaine : l’importance du secteur non-échangeable, l’asymétrie entre les flux migratoires et les flux des investissements, ainsi que les problèmes persistants entre différentes communautés ethniques. Dans le premier chapitre introductif, nous explorons la littérature sur la politique économique de l’immigration et nous étudions les différentes voies par lesquelles les immigrés peuvent affecter le bien-être des résidents domestiques. Dans la deuxième partie, nous développons un cadre théorique afin d’analyser les effets de l’immigration sur le bien-être individuel dans une petite économie ouverte avec le secteur non-échangeable. Nos résultats expliquent pourquoi les résidents domestiques sont généralement opposés à l’immigration peu qualifiée et favorisent l’influx des immigrés hautement qualifiés. Dans le chapitre trois, nous faisons une extension du modèle élaboré dans le chapitre deux, en prenant en compte les flux internationaux du capital. D’abord nous cherchons à décrire le lien entre la migration peu et hautement qualifiée et les investissements directs à l’étranger. Puis, nous analysons le changement dans les attitudes envers l’immigration suite à l’introduction de la mobilité internationale du capital. Dans le quatrième chapitre, nous démontrons comment la diversité ethnique peut affecter les intentions d’émigrer. Nous traitons le cas de la Lettonie où les minorités ethniques constituent 40% de la population. Nous pouvons constater que les individus appartenant aux minorités ethniques sont plus probables d’émigrer et que cette probabilité augmente avec le revenu. Les individus appartenant à la majorité ethnique, au contraire, sont plus probables d’émigrer si leurs revenus sont plus bas
The objective of this thesis is to contribute to a better understanding of migration-related economic issues in the world today. We concentrate both on immigration and emigration and at various stages of our work address all three parties involved in migration process : people hosting immigrants, people left behind and the migrants themselves. We account for several important features of today’s rapidly globalising life : the importance of the non-traded sector, asymmetry between capital and labour flows, and persisting problems between ethnic communities. The first chapter in an overview of the political economy of immigration literature and addresses the multiple ways in which immigrants may affect natives’ welfare. In particular, we discuss the role of economic and non-economic arguments in shaping immigration attitudes and summarise main labour market and welfare-state effects of immigration. Chapter two develops open economy with a non-traded sector. Our finding provide additional understanding of why native population is generally opposed to low-skilled immigrants and favouring high-skilled foreign workers. The third chapter extends the model developed in chapter two to accommodate internationally mobile capital. First, we investigate whether immigration of high-skilled and low-skilled labour leads to positive or negative FDI. Then, we find out how would immigration attitudes change if a country allows international capital movements. Chapter four investigates how ethnic diversity at home may influence emigration intentions of an individual. We explore the case of Latvia where ethnic minorities constitute 40% of the population. We find that ethnic minorities are more likely to emigrate and are positively self-selected on the basis of income, while the opposite is true for ethnic majority population
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Soares, Richard Queirós. "OTT TV services: technical and economic aspects." Master's thesis, Universidade de Aveiro, 2013. http://hdl.handle.net/10773/12846.

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Mestrado em Engenharia Eletrónica e Telecomunicações
The breadth of availability and variety of online video contents has helped to encourage a far more mobile experience, which has proved particularly popular among younger generations. Over The Top (OTT) services, particularly those on-demand video platforms, became more and more attractive to consumers when compared with the current main TV packages. This document describes how the video OTT Ecosystem works from a technical side. The description presented reaches both ends of the distribution chain: from how the video signals are acquired and processed, thru all the way to how they are delivered to the client, passing by the challenges and consequences that such services have on the network. The main objective of this dissertation is to understand the possibility to create in Portugal a new operator where the core business is video delivery using only OTT services.
A amplitude e variedade de conteúdos disponíveis online têm ajudado a promover uma experiência cada ver mais móvel da televisão, serviço que se tem revelado particularmente popular entre os mais jovens. Serviços Over The Top (OTT), sobretudo aqueles disponíveis através de plataformas de video on-demand, têm-se tornado cada vez mais atraentes para os consumidores, em comparação com os atuais pacotes de televisão. Este documento descreve como funciona, do ponto de vista técnico, o ecossistema do vídeo sobre OTT. A descrição apresentada abrange ambas as extremidades da cadeia de distribuição: desde a forma como os sinais de vídeo são adquiridos e processados até ao modo como eles são entregues ao cliente, passando pelos problemas e consequências que tais serviços podem ter na rede. O principal objectivo deste trabalho é contribuir para compreender se é possível criar em Portugal um novo operador onde o core business seja a distribuição de vídeo utilizando apenas serviços OTT.
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45

Hietasalo, P. (Pauliina). "Behavioral and economic aspects of caries control." Doctoral thesis, Oulun yliopisto, 2010. http://urn.fi/urn:isbn:9789514263453.

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Abstract The aim was to determine the association between baseline factors, such as oral health-related behavior, attitudes, knowledge and beliefs in relation to caries increment during a randomized clinical trial (RCT). A further aim was to evaluate treatment costs and health outcomes during and after the RCT. In Pori Finland, 11- to 12-year-old children with active initial caries lesion(s) participated in the RCT in 2001–05. The experimental group (n=250) received multiple measures for controlling caries. The control group (n=247) received standard dental care. In 2005–08, all received standard dental care. Regression analyses were used to study the associations between behavioral factors and caries increment. Cost-effectiveness analysis was conducted (trial period), and costs and health outcomes as well as dental service utilization were evaluated (post-trial period). In the experimental group, brushing teeth twice a day was indicative of developing no new caries lesions, whereas eating candy at least once a day, predicted new lesions. In the experimental and control groups, lack of concern about cavities and lack of knowledge about mother’s dental health predicted new caries lesions. The average incremental cost for averting one DMF surface was €34. The experimental regimen was more effective and more costly than the standard dental care. The total costs decreased year after year. The mean total cost per adolescent was lower and the clinical outcome was better among the former participants in the experimental group. The utilization of dental services was significantly more regular among the former participants in this group. It may be feasible to control caries more effectively by affecting toothbrushing, candy eating and oral health-related attitudes, as preventive procedures may be ineffective if those factors are not in order. It is important to discuss oral health-related topics in families, because this may improve the oral health-related behavior of children. Cost-effectiveness of regimen used for the experimental group may be improved by division of work or by selective reduction of preventive procedures. Well-timed caries control can decrease treatment cost and yield long-term improvement of dental health
Tiivistelmä Tutkimuksen tarkoituksena oli selvittää satunnaistetun kliinisen kokeen alussa rekisteröityjen suunterveyteen liittyvien tapojen, tietojen, asenteiden, uskomusten ja karieskertymän välisiä yhteyksiä. Lisäksi arvioitiin hoitokustannuksia ja hoidollisia tuloksia sekä kokeen ajalta että kokeen jälkeiseltä ajalta. Ne 11–12-vuotiaat lapset, joilla oli ainakin yksi alkava aktiivinen kariesvaurio, osallistuivat kokeeseen Porissa vuosina 2001–05. Koeryhmän lapset (n=250) saivat tehostettua ehkäisevää hoitoa ja kontrolliryhmän lapset (n=247) tavanomaista hammashoitoa. Kaikki saivat tavanomaista hammashoitoa vuosina 2005–08. Käyttäytymisellisten tekijöiden ja karieskertymän välisiä yhteyksiä tutkittiin regressioanalyysien avulla. Kustannusvaikuttavuusanalyysi tehtiin kokeen ajalta. Hoitokustannuksia ja hoidollisia tuloksia sekä palveluiden käyttöä arvioitiin kokeen jälkeiseltä ajalta. Lapsilla, jotka harjasivat vähintään kaksi kertaa päivässä, oli yleensä ehjät hampaat, kun taas lapsilla, jotka söivät päivittäin makeisia, oli useasti reikiä. Huolettomuus reikiintymistä kohtaan ja tietämättömyys äidin hampaiden kunnosta näkyi lasten hampaiden reikiintymisenä. Yhden hammaspinnan säästyminen paikkaukselta maksoi keskimäärin 34 €. Koeryhmän saama hoito oli vaikuttavampaa, mutta kalliimpaa kuin kontrolliryhmän saama hoito. Kokonaiskustannukset laskivat vuosi vuodelta. Keskimääräiset hoitokustannukset olivat pienemmät ja hammasterveys parempi entisen koeryhmän jäsenillä kuin kontrolliryhmäläisillä. Myös palveluiden käyttö oli säännöllisempää koeryhmässä. Karieksen hallintaa voidaan todennäköisesti tehostaa vaikuttamalla hampaiden harjaukseen, makeisten syöntiin ja suunterveyteen liittyviin asenteisiin. On tärkeää varmistaa, että nämä asiat ovat kunnossa, koska ehkäisevät toimenpiteet saattavat muuten jäädä tehottomiksi. Suunterveyteen liittyvistä asioista olisi hyvä keskustella perheissä, koska asioiden esillä pitäminen voi vaikuttaa suotuisasti lasten terveystapoihin. Koeryhmän saaman hoito-ohjelman kustannusvaikuttavuutta voisi todennäköisesti parantaa muuttamalla suunterveydenhuollon henkilöstön työnjakoa tai karsimalla valikoiden ehkäisevien toimenpiteiden määrää. Oikea-aikainen karieksen hallinta voi vähentää hoitokustannuksia ja lisätä hammasterveyttä pitkällä aikavälillä
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46

Agrawal, Ajay K. "Economic issues concerning the mobility of scientific inventions and implications for firm strategy." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0013/NQ56491.pdf.

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47

Trew, Alex William. "Towards the microfoundations of finance and growth." Thesis, St Andrews, 2007. http://hdl.handle.net/10023/331.

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48

Dewhurst, David Rushing. "Some results on a class of functional optimization problems." ScholarWorks @ UVM, 2018. https://scholarworks.uvm.edu/graddis/884.

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We first describe a general class of optimization problems that describe many natu- ral, economic, and statistical phenomena. After noting the existence of a conserved quantity in a transformed coordinate system, we outline several instances of these problems in statistical physics, facility allocation, and machine learning. A dynamic description and statement of a partial inverse problem follow. When attempting to optimize the state of a system governed by the generalized equipartitioning princi- ple, it is vital to understand the nature of the governing probability distribution. We show that optimiziation for the incorrect probability distribution can have catas- trophic results, e.g., infinite expected cost, and describe a method for continuous Bayesian update of the posterior predictive distribution when it is stationary. We also introduce and prove convergence properties of a time-dependent nonparametric kernel density estimate (KDE) for use in predicting distributions over paths. Finally, we extend the theory to the case of networks, in which an event probability density is defined over nodes and edges and a system resource is to be partitioning among the nodes and edges as well. We close by giving an example of the theory’s application by considering a model of risk propagation on a power grid.
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49

Huang, Mei-Yun. "An assessment of the economic knowledge of ninth grade junior high school students in Taiwan /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841301.

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50

Wong, Chi-kwong Patrick, and 黃志光. "Economic changes in rural China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31954509.

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