Dissertations / Theses on the topic 'Modèle probit'
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Monsia, Atoke Frédia. "Macroeconomic imbalances, crises and management of crises in euro area countries." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM2024/document.
Full textThis dissertation consists of three essays on how macro-financial imbalances precede crises and to what extent their consideration can help better management of crises in the Eurozone countries. The different chapters of this thesis, try to answer three important questions : What are the macro-financial imbalances that exposed the Euro area countries to fiscal stress before the outbreak of the debt crises in Europe? What are the impacts of sovereign default and deposit guarantee on macroeconomic variables and on the behavior of investors ? To what extent could better institutions/governance help to improve the long-term growth in a constrained economy on the international capital market ? Using a short-term approach, the first two chapters show the importance of market confidence in analysis of the link between macroeconomic imbalances and crises. In the third chapter, we adopt a long-term perspective to analyze the effects of this market confidence on the dynamics of growth. Our approach is both theoretical and empirical. The theoretical approach is based on the DSGE models (dynamic stochastic general equilibrium models) and the modeling of a crisis in a small open economy (SOE). The empirical approach focuses on Probit/Logit models for panel data and on Signal model based on early warning indicators
Sabra, Mahmoud. "Les choix stratégiques des firmes multinationales et la relation entre les exportations et les IDE : application d’un modèle Probit bi-varié, et d’un modèle de gravité dynamique aux pays Méditerranéens." Thesis, Toulon, 2011. http://www.theses.fr/2011TOUL2002/document.
Full textIn this thesis, we discuss the relationship between exports and FDI, and we aim to find a long-term relationship between these variables. In the course of the thesis analysis, we study empirically the exports and FDI determinants, at macro and micro analysis. This allows us to detect precisely the relationship between the both variables. In other words, this thesis carry out the following points: at micro level (company level), the multinationals are likely to implement the two activities (exports and FDI) to serve the foreign market, but the multinationals strategic choice can also choose between exports and FDI. On this point, the productivity of the multinational corporations and their other characteristics have a crucial role to clarify the mechanism of the choice between strategies and the relationship between exports and FDI. In fact, this is the first empirical part, which is the first similar application on the French companies. In the part, we also distinguish between strategic decisions based on company on the company size (large, very large and both groups of French enterprises).At the macro level, we will seek to identify the simultaneous determinants of exports and FDI. To do so, a gravity system is estimated bivariate dynamic equations to illuminate the role of these determinants and the relationship between exports and FDI. This is the second empirical part, which is applied on the capital and goods exchange between France and ten Mediterranean partners. The choice of these countries based on their importance in French trade. Moreover, the lack of the literature applied to these countries in this area is extra motivation
Dumitrescu, Elena. "Econometric Methods for Financial Crises." Thesis, Orléans, 2012. http://www.theses.fr/2012ORLE0502/document.
Full textKnown as Early Warning Systems (EWS), financial crises forecasting models play a key role in definingeconomic policies at microeconomic, macroeconomic and international level. However, in the wake ofthe global financial crisis, numerous questions with respect to their forecasting abilities have been raised,as very few signals were drawn prior to the starting of the turmoil. Two questions arise in this context:how to evaluate EWS forecasting abilities and how to improve them?The broad goal of this applied econometrics dissertation is hence (i) to propose a systematic model-free evaluation methodology for the forecasting abilities of EWS as well as (ii) to introduce new EWSspecifications with improved out-of-sample performance. This work has been concretized in four chapters.The first chapter introduces a new approach to evaluate interval forecasts which relies on the binomialdistributional assumption of the violations series. The second chapter proposes an econometric evaluationmethodology of the forecasting abilities of an EWS. We show that adequate evaluation must take intoaccount the cut-off both in the optimal crisis forecast step and in the model comparison step. The thirdchapter points out that crisis dynamics (persistence) is essential for the econometric specification of anEWS. Indeed, dynamic logit models lead to better out-of-sample forecasting probabilities than those oftheir main competitors (static model and Markov-switching one). Finally, a multivariate dynamic probitEWS is proposed in the fourth chapter to take into account the causality between different types of crises(banking, currency, sovereign debt). The empirical application shows that the trivariate model improvesforecasts for countries that underwent the three types of crises
Ziegler, Andreas. "Simuliertes klassisches Schätzen und Testen in Mehrperioden-Mehralternativen-Probitmodellen /." [S.l. : s.n.], 2001. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB9030594.
Full textGarneau, Simon. "Estimation alternative des modèles probit polytomiques." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq26209.pdf.
Full textZhu, Liyu. "Discrete Brand Choice Models: Analysis and Applications." Diss., Available online, Georgia Institute of Technology, 2007, 2007. http://etd.gatech.edu/theses/available/etd-07102007-142035/.
Full textEsogbue, Augustine, Committee Chair ; Griffin, Paul, Committee Member ; Lu, Jye-Chyi (JC), Committee Member ; Li, MinQiang, Committee Member ; McCarthy, Patrick, Committee Member.
Hamadou, Daouda Youssoufou. "Dynamiques de pauvreté, inégalité et croissance économique en Afrique Subsaharienne: une investigation appliquée au cas du Niger." Phd thesis, Université Montesquieu - Bordeaux IV, 2010. http://tel.archives-ouvertes.fr/tel-00594135.
Full textBaragatti, Meïli. "Sélection bayésienne de variables et méthodes de type Parallel Tempering avec et sans vraisemblance." Thesis, Aix-Marseille 2, 2011. http://www.theses.fr/2011AIX22100/document.
Full textThis thesis is divided into two main parts. In the first part, we propose a Bayesian variable selection method for probit mixed models. The objective is to select few relevant variables among tens of thousands while taking into account the design of a study, and in particular the fact that several datasets are merged together. The probit mixed model used is considered as part of a larger hierarchical Bayesian model, and the dataset is introduced as a random effect. The proposed method extends a work of Lee et al. (2003). The first step is to specify the model and prior distributions. In particular, we use the g-prior of Zellner (1986) for the fixed regression coefficients. In a second step, we use a Metropolis-within-Gibbs algorithm combined with the grouping (or blocking) technique of Liu (1994). This choice has both theoritical and practical advantages. The method developed is applied to merged microarray datasets of patients with breast cancer. However, this method has a limit: the covariance matrix involved in the g-prior should not be singular. But there are two standard cases in which it is singular: if the number of observations is lower than the number of variables, or if some variables are linear combinations of others. In such situations we propose to modify the g-prior by introducing a ridge parameter, and a simple way to choose the associated hyper-parameters. The prior obtained is a compromise between the conditional independent case of the coefficient regressors and the automatic scaling advantage offered by the g-prior, and can be linked to the work of Gupta and Ibrahim (2007).In the second part, we develop two new population-based MCMC methods. In cases of complex models with several parameters, but whose likelihood can be computed, the Equi-Energy Sampler (EES) of Kou et al. (2006) seems to be more efficient than the Parallel Tempering (PT) algorithm introduced by Geyer (1991). However it is difficult to use in combination with a Gibbs sampler, and it necessitates increased storage. We propose an algorithm combining the PT with the principle of exchange moves between chains with same levels of energy, in the spirit of the EES. This adaptation which we are calling Parallel Tempering with Equi-Energy Move (PTEEM) keeps the original idea of the EES method while ensuring good theoretical properties and a practical use in combination with a Gibbs sampler.Then, in some complex models whose likelihood is analytically or computationally intractable, the inference can be difficult. Several likelihood-free methods (or Approximate Bayesian Computational Methods) have been developed. We propose a new algorithm, the Likelihood Free-Parallel Tempering, based on the MCMC theory and on a population of chains, by using an analogy with the Parallel Tempering algorithm
Nguedam, Ntouko Clarisse. "Gouvernance et institutions dans les décisions d'investissement privé dans les pays en développement." Thesis, Clermont-Ferrand 1, 2012. http://www.theses.fr/2012CLF10383.
Full textThis thesis analyzes the impact of governance and institutions on private investment in developing countries. "Good governance" and institutional quality especially in developing countries are of great concern to the international community. However, there is no unique and optimal institutional framework and governance system which can be set up in all countries independently to their cultural, historical and anthropological characteristics. Indeed, if all countries can share a common objective which consists of an institutional framework, able to ensure the sustainability and credibility of the investment climate, they will all start from different points with specific characteristics. These factors lead us to favor a non normative approach of the quality of institutions and governance. However, some institutional framework increases uncertainty and irreversibility ofinvestment. In this thesis, we consider weak institutions and poor governance as the main sources of uncertainty and irreversibility of investment indeveloping countries. We use a macroeconometric approach which analyses the investment behavior at the aggregate level, and a microeconometric approach which takes into account the heterogeneity of the investment behavior of firms. An emphasis is put on sub-Saharan African countries that have the lowest private investment rate
Kang, Sungjun. "Forecasting inflation with probit and regression models /." free to MU campus, to others for purchase, 1999. http://wwwlib.umi.com/cr/mo/fullcit?p9946268.
Full textButler, Allison M. "Hierarchical Probit Models for Ordinal Ratings Data." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2656.
Full textDomingos, Ana Maria Basílio Cabral. "A pobreza dos idosos em Portugal : um modelo explicativo." Master's thesis, Instituto Superior de Economia e Gestão, 2014. http://hdl.handle.net/10400.5/7676.
Full textO presente trabalho teve por objetivo identificar os fatores que concorrem para que alguns indivíduos na terceira idade se encontrem em situação de pobreza. Mais concretamente, pretendeu-se identificar o perfil socioeconómico de pessoas em situação de pobreza através de um modelo explicativo probit, que estimasse o peso de vários fatores para a referida situação. Porque em Portugal, mais concretamente em zonas rurais, existe uma forte componente de autoconsumo, entrámos em linha de conta com as linhas de pobreza monetária e não-monetária. Esta caracterização é feita a partir do Inquérito às Despesas das Famílias IDEF 2010/2011. O modelo revelou o impacto na probabilidade de se ser pobre (em termos monetários e totais) de variaveis como o nível de ensino do idoso, a sua idade, tipo de ADP onde se encontra inserido, localização rural/ urbana e fonte mais frequente de rendimento. Foram ainda discutidas as implicações do modelo para políticas sociais de apoio.
The present study had the aim to indentify the factors associated to poverty in the elderly. More precisely, we intended to indentify the socioeconomic profile of people in poverty situation through a probit model, capable of estimating the weight of various factors for the referred situation. Because in Portugal, more specifically, in rural areas, there is a strong component o autoconsumption, we took into account the monetray and non-monetary poverty lines. This characterization was made using the Housing Buget Survey 2010/2011. The model revealed an impact on the probability of being poor (in terms of monetary and total income) of variables such as education, age, type of household, and main type of income. We also discuss the implications of the model for social policies.
SAIDI, ABDELNASSER. "Modeles logit et probit d'analyse des variables qualitatives." Grenoble 2, 1987. http://www.theses.fr/1987GRE21030.
Full textSeveral types of logit and probit models are studied in ordrer to explain levels related to one or many qualitative variables by explanatory variables. Simple dichotomous logit and probit models and their specification errors are discussed. Are also analyzed multinomial and conditional polychotomous in the case of logit and probit models when the dependent variable possesses several levels. The study and the simultaneous modelisation of two or many qualitative variables deal with descriptive and explanatory log linear model, multinomial responses models, and simultaneous equations logit and probit models when some of the explanatory variables are endogeneous. Finally in the case of individual temporal binary data and with some different true dependency hypothesis between process states, non stationarity and heterogeneity, we study not only the theorical solutions but the computational work of logit and probit models associated as well
Jackson, Cecil Wilfred. "The profit maximising pricing model." Thesis, Rhodes University, 1988. http://hdl.handle.net/10962/d1004597.
Full textFuron, Stéphanie. "Contribution à la mise en œuvre du soutien logistique : éléments méthodologiques pour une conception fondée sur un modèle de produit global." Valenciennes, 2000. https://ged.uphf.fr/nuxeo/site/esupversions/9cd6c901-aecc-42dc-9e22-7e51288cb246.
Full textLejnarová, Šárka. "Modely diskrétní binární volby." Master's thesis, Vysoká škola ekonomická v Praze, 2007. http://www.nusl.cz/ntk/nusl-1615.
Full textFerrara, Oscar. "Brand preferences among meats an application of Probit models /." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0011765.
Full textLexvold, Andrew Michael. "DT-Optimal Designs for Probit Models in Clinical Trials." Thesis, North Dakota State University, 2015. https://hdl.handle.net/10365/27904.
Full textMing, Yue. "T-Optimal Designs for Model Discrimination in Probit Models." Thesis, North Dakota State University, 2014. https://hdl.handle.net/10365/27407.
Full textBerrett, Candace. "Bayesian Probit Regression Models for Spatially-Dependent Categorical Data." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1285076512.
Full textSales, Bruno Flora. "Desenvolvimento de metodologia de rating baseada no modelo ordered probit." reponame:Repositório Institucional do FGV, 2006. http://hdl.handle.net/10438/280.
Full textIn the last few years there has been an increase in the Brazilian credit market in terms of volume and modality of credit operations. Besides, Banks, which are the main economics financial mediator, have increased their role on this area. Therefore, in a developing marked, it becomes increasingly important the correct evaluation and administration of the financial risk involved in credit operations: credit risk. In this context, rating classification emerge as a reference to investors. However, as the Brazilian financial market is only slightly developed, rating agencies operating in this country classify only the biggest and more important institutions. The purpose of this study is to develop a rating methodology -based on the ordered probit modelcapable of replicating the rating level of a certain agency. This way, it would be possible to estimate the rating level to those Banks that are not classified by any rating agency.
Nos últimos anos o mercado de crédito brasileiro apresentou grande crescimento em termos de volume e modalidade de operações de crédito. Além disso, observou-se também o aumento da participação dos bancos nesse setor, principais intermediários financeiros da economia. Com isso, em um mercado em desenvolvimento, torna-se cada vez mais importante a correta avaliação e administração do risco financeiro envolvido nas operações: o risco de crédito. Nesse contexto, a classificação de rating surge como referência para investidores. No entanto, como o mercado bancário brasileiro ainda é pouco desenvolvido, apenas instituições de grande porte são classificados pelas agências de rating em funcionamento no país. Este trabalho tem como objetivo o desenvolvimento de uma metodologia de rating baseada no modelo ordered probit, que seja capaz de replicar o nível de rating de uma determinada agência, e assim conseguir estimar o nível de rating para aqueles bancos que não têm a referida classificação de rating
Berlinger, Nina. "Change Management Modelle für Profit- und Non-Profit-Organisationen Die Konzeption eines Modells für karitative Non-Profit-Organisationen /." St. Gallen, 2007. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/02604254002/$FILE/02604254002.pdf.
Full textOliveira, Alexandre Nunes de. "Independência financeira e a emancipação de distritos no Estado do Ceará." reponame:Repositório Institucional da UFC, 2014. http://www.repositorio.ufc.br/handle/riufc/15059.
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The present work search investigate the chance of financial involution among the Cearenses' municipalities, from accounting data for 150 localities in periods of 2004, 2008 and 2012. The sample comprises 82% of the total number of municipalities in the state of Ceará and the method used follows a binary dependent variable model, with Probit's hypothesis. The econometric model proposed considered variables of financial autonomy,dependence on transfers, personnel expenses and charges, education expenses and health expenses. The estimates leads us to conclude that the chance is significant in that a new municipality that will be created has fundraising less than the average, being considered a economic-financial scenario unfavorable the process of emancipation of districts in the state of Ceará, there is a view that the Cearenses' municipalities are considered to be poor and highly dependent on features of transfers.
O presente trabalho busca investigar a chance de involução financeira dentre os municípios cearenses, a partir dos dados contábeis de 150 localidades nos períodos de 2004, 2008 e 2012. A amostra utilizada compreende 82% do total de municípios no estado do Ceará e o método utilizado segue um modelo de variável dependente binária, com hipótese Probit. O modelo econométrico proposto considerou variáveis de autonomia financeira, dependência de transferências, despesas com pessoal e encargos, gastos com educação e gastos com saúde. As estimativas permitem constatar que a chance é significativa de que um novo município que venha a ser criado possua arrecadação inferior à média, sendo considerado um cenário econômico-financeiro desfavorável ao processo de emancipação de distritos no estado do Ceará, haja vista que os municípios cearenses são considerados pobres e altamente dependentes de recursos de transferências.
Drieux, Guillaume. "De la maquette numérique produit vers ses applications aval : propositions de modèles et procédés associés." Grenoble INPG, 2006. http://www.theses.fr/2006INPG0201.
Full textDesigning a product is a complex process involving the use of numerical tools, such as the Digital Mock-Up (DMU), which is a 3D representation of the product being designed. It is used as a basis for its geometric and organizational definitions of the product. The so called Downstream Applications (e. G. Simulation) rely on geometric models extracted from the DMU which require to be adapted to the objectives, needs and constraints of the targeted application. The integration of downstream applications with design can only be achieved if such models, extracted from the DMU, are made available, in an efficient and controlled manner. Based on a deep analysis of the industrial context, the use of the DMU and the role of its downstream applications, this work proposes models and methods for the representation and management of such models. A set of operators and associated processes are also proposed. The industrial context of EADS being prominent in this work, various projects involving the use of these concepts and ta ken as use-cases are described and analyzed afterwards
Oliveira, Maria Aparecida Silva. "Nível tecnológico e seus fatores condicionantes na bananicultura do município de Mauriti-Ce." reponame:Repositório Institucional da UFC, 2003. http://www.repositorio.ufc.br/handle/riufc/723.
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A utilização de tecnologia na agricultura a torna menos dependente dos fatores climáticos, mais produtiva e promissora, contribuindo para a obtenção do seu desenvolvimento e da economia. Os investimentos em tecnologia para a agricultura,realizados pelo Governo do Estado do Ceará, concentram-se principalmente na agricultura irrigada através da formação de agropolos. Nesses, predomina a fruticultura irrigada, sendo a banana uma das principais culturas. A bananicultura desempenha importantes papéis de ordem econômica e social para a agricultura brasileira, entretanto é caracterizada pela prática, em geral, com baixa produtividade, baixo nível tecnológico e grandes perdas no processo de produção. No agropolo Cariri a bananicultura tem ganhado relevância com o aumento considerável da área plantada e da quantidade produzida. Nesse agropolo, o crescimento da cultura deu-se com maior intensidade no Município de Mauriti. O objetivo deste trabalho foi estudar o nível tecnológico da bananicultura irrigada do Município de Mauriti-CE e seus aspectos socioeconômicos. Especificamente pretendeu-se mensurar o nível tecnológico, verificar as tecnologias que têm maior contribuição na determinação desse nível tecnológico e os fatores socioeconômicos que condicionam sua adotação pelos produtores de banana de Mauriti- CE. Para mensuração do nível tecnológico, foi formulado um índice que compreende não somente as tecnologias de produção, mas também as variáveis que a compõem. A análise das variáveis socioeconômicas dos produtores que têm efeito sobre a probabilidade de adoção de tecnologia deu-se através da estimação de uma equação, utilizando o modelo Probit, indicado para estudos em que a variável dependente é qualitativa. O índice tecnológico calculado para a bananicultura de Mauriti mostrou que o nível tecnológico adotado é classificado como bom. As tecnologias de irrigação e fitossanidade têm nível de adoção classificado como ótimo e as tecnologias de mudas, adubação e tratos culturais, como de nível bom. Por outro lado, os níveis de adoçãos das tecnologias de colheita e pós-colheita são classificados como regulares e o da gestão como insuficiente. Na composição do índice tecnológico, a fitossanidade teve participação de 21,15%, a irrigação de 19,23% e os tratos culturais de 15,38%. As tecnologias de mudas e adubação tiveram participação de 13,46% e 11,54%, respectivamente. As menores participações foram das tecnologias de pós-colheita, com 9,61%, de colheita com 7,69%, e da gestão, com 1,92%. As variáveis que se mostraram significativas na explicação da probabilidade de adoção de tecnologia adequada ou próxima de adequada para produção de banana foram assistência técnica, bananicultura como atividade principal, crédito, escolaridade, idade, posse da terra, renda total e residência na propriedade. Todas essas variáveis mostraram ter influência positiva sobre tal probabilidade
Zhou, Yahong. "Estimation of transformation models, generalized bivariate probit models, and box-cox partially linear models : three essays in microeconomics /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?ECON%202005%20ZHOU.
Full textAlbuquerque, André Massena de. "Sovereign credit rating mismatches." Master's thesis, Instituto Superior de Economia e Gestão, 2016. http://hdl.handle.net/10400.5/12629.
Full textEste trabalho analisa que fatores, entre os determinantes de ratings soberanos encontrados na literatura, são responsáveis pelas diferenças entre os ratings de crédito soberanos de diferentes agências de rating, no período 1980-2015. Para tal, utilizaram-se modelos probit ordenados e simples de efeitos aleatórios com o objetivo de avaliar o poder explicativo de um conjunto de variáveis macroeconómicas e governamentais. Os resultados obtidos com os modelos estimados indicam que o saldo estrutural e a existência de um default nos últimos dez anos são as variáveis menos significativas enquanto o nível de dívida líquida, o saldo orçamental, o PIB per capita e a existência de um default nos últimos cinco anos são as variáveis que mais explicam as diferenças entre ratings de agências distintas.
In this work we study the factors, among the determinants of sovereign ratings found in the literature, leading to differences in sovereign credit ratings from different agencies, for the period 1980-2015. We employ random effects ordered and simple probit approaches to assess the explanatory power of different macroeconomic and government variables. Our results point to an average performance of the estimated models. Structural balance and the existence of a default in the last ten years were the least significant variables whereas the level of net debt, budget balance, GDP per capita and the existence of a default in the last five years were found to be the most relevant variables explaining the rating differences across agencies.
Lenz, Stephan. "Bestimmungsfaktoren des Innovations- und Kooperationsverhaltens von Unternehmen : Theorie und ökonometrische Untersuchung anhand von Daten für die schweizerische Industrie /." [S.l.] : [s.n.], 1998. http://aleph.unisg.ch/hsgscan/hm00021601.pdf.
Full textMandil, Guillaume. "Modèle de représentation géométrique intégrant les états physiques du produit." Phd thesis, Ecole Centrale Paris, 2011. http://tel.archives-ouvertes.fr/tel-00714559.
Full textSood, Premlata Khetan. "Profit sharing, unemployment, and inflation in Canada : a simulation analysis." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34459.
Full textMoreira, Susana Patrícia Reis Mendes Costa. "Determinants of personal credit defaults in a Portuguese Bank." Master's thesis, Instituto Superior de Economia e Gestão, 2015. http://hdl.handle.net/10400.5/13538.
Full textO contexto de crise económica e financeira, originou o aumento da taxa de desemprego, o decréscimo do rendimento das famílias portuguesas, a piora das condições dos empréstimos e a desvalorização de activos de garantias, que combinado com outros factores, contribuiu para a intensificação do incumprimento de crédito no segmento dos particulares. Este trabalho tem como objectivo estudar os factores determinantes no incumprimento de crédito a particulares, num Banco português. Foi utilizada uma amostra de 7876 de operações de crédito a particulares em incumprimento, à data de 31 de Dezembro de 2014, originados entre 2003 e 2014. Aplicámos um modelo probit e um modelo duration para analisar o impacto do montante inicial, da maturidade e do spread do empréstimo na probabilidade de incumprimento da operação de crédito e a duração do empréstimo até suceder o incumprimento. Em relação às variáveis principais os resultados obtidos sugerem que no caso do spread, há uma diminuição de incumprimento na variável crédito, porque as operações de crédito apresentam menos risco em relação às operações de investimento que expõem mais risco e consequentemente, spreads mais elevados. Relativamente ao montante inicial, na nossa amostra, a variável investimento contempla operações com montantes elevados, assim é esperado possuirmos maior incumprimento nesta variável. No caso da maturidade, a variável investimento é constituída por operações de longa duração, pelo que é esperada um maior incumprimento. Por fim, o modelo duration permitiu-nos concluir que o aumento das variáveis levará a que o cliente demore menos tempo para entrar em incumprimento.
In the context of the economic and financial crisis, that caused the rise of unemployment rate and decrease in income of Portuguese families, the worsening conditions of the loans and the devaluation of collateral, combined with other factors, have contributed to an intensification of credit default in the particulars segment. This research work aims to study the determinants of personal credit default in a Portuguese Bank. We used a sample of 7876 contracts of personal loans in default at December 31, 2014, originated between the years 2003 and 2014. We apply a probit model and a duration model to assess the impact of Initial amount, Maturity, Spread, in the probability of credit default and the duration of a loan until default. Regarding main variables the results suggest that in spread there is a decrease of default in credit variable, because credit loans are less risky than investment loans that have more risk and consequently higher spreads. About initial amount, in our sample, investment variable comprises contract loans with higher amounts, so it's expected to have higher default in investment variable. Related to maturity provided that investment variable has contract loans with higher maturities, it's expected to have higher default in investment variable. Finally, duration model allows us to conclude that clients will take less time to enter in default when a variable in the model increases.
info:eu-repo/semantics/publishedVersion
Brites, Nuno M. "Stochastic differential equation harvesting models: sustainable policies and profit optimization." Doctoral thesis, Universidade de Évora, 2017. http://hdl.handle.net/10174/21965.
Full textKropko, Jonathan Rabinowitz George. "Choosing between multinomial logit and multinomial probit models for analysis of unordered choice data." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2008. http://dc.lib.unc.edu/u?/etd,1680.
Full textTitle from electronic title page (viewed Sep. 16, 2008). "... in partial full̄lment of the requirements for the degree of Master of Arts in the Department of Political Science." Discipline: Political Science; Department/School: Political Science.
Park, Seong Yong. "Modeling dynamic choice behavior : empirical analysis using multinomial logit and multiperiod multinomial probit models /." Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/8727.
Full textErkel-Rousse, Hélène. "Commerce international et différenciation de produit : modélisation théorique et applications empiriques." Paris 1, 2000. http://www.theses.fr/2000PA010049.
Full textWilner, Tomás. "Fusiones y adquisiciones de Empresas Farmacéuticas y la red de genes-enfermedades." Tesis, Universidad de Chile, 2017. http://repositorio.uchile.cl/handle/2250/145142.
Full textUn gran esfuerzo en I+D se ha desplegado durante los últimos diez años para el desarrollo de terapias genéticas, impulsado por la esperanza de combatir las enfermadedes en su expresión más básica. Simultáneamente se observan diversas fusiones y adquisiciones en este mercado. ¿Cuál es la principal causa de las fusiones? ¿Son razones de eficiencia en la investigación justificadas por la red genética? Para responder esta pregunta se elabora un modelo probit cuya variable dependiente es la dummy de fusión o adquisición entre firmas, al cual se le aplican gran cantidad de variantes y diversos tests de robustez. Se evalúa la importancia del target genético junto con otras variables como target de enfermedades y target de áreas terapéuticas. A su vez se adiciona una variable que intenta dilucidar la existencia de una relación continua entre la dummy y la presencia de target genéticos en ambas firmas, proveniente de la teoría de grafos. El enfoque de este trabajo es novedoso por dos razones: hasta el momento nadie ha investigado si las fusiones o adquisiciones entre empresas farmacéuticas pueden explicarse a partir de las terapias genéticas que estas realizan (producto del reciente florecimiento de este tipo de terapias) y tampoco se ha explorado la estructura de red de los genes para explicar el comportamiento de las firmas (en términos de adquisición o fusión). Esta investigación utiliza dos bases de datos. De Thomson Reuters Cortellis Life Sciences se extraen 1.417 proyectos con target genético, correspondientes a 514 firmas distintas, que ocurren desde el año 1989 hasta el año 2014. Mientras que de Deloitte RECAP IQ se obtienen 3.763 fusiones y adquisiciones de empresas farmacéuticas, desde 1988 hasta 2011. Los datos sugieren que en presencia de dos firmas con target genético compartido, su probabilidad de fusión o adquisición es aproximadamente sesenta y cinco veces más alta, que cuando no hay genes en común. Las otras variables no son siempre significativas para el modelo, y no resisten los tests de robustez. Con respecto a la variable continua proveniente de la teoría de grafos, "Distancia de Wallis", se encuentra que es colineal a la dummy de target genético y pierde significancia cuando se coloca en el modelo junto a ella. A su vez se demuestra que la probabilidad de que una firma pequeña sea adquirida por una grande aumenta considerablemente si ambas firmas están trabajando en un gen en común y la firma pequeña ha desarrollado un fármaco relacionado a dicho gen que haya superado una etapa inicial ("Discovery"). Este trabajo de tesis deja abiertas preguntas de investigación, como por ejemplo evaluar si las externalidades en I+D presentadas por las fusiones o adquisiciones en esta nueva era se condicen con las que se presentaban antes de que la terapia génica tomase relevancia.
Este trabajo ha sido parcialmente financiado por CONICYT
HERRERA, SANCHEZ CYNTHIA, and MERCADO ABRAHAM COLIN. "ANÁLISIS DE LA ADMINISTRACIÓN DEL RIESGO BAJO EL ENFOQUE DE LA CONFIABILIDAD HUMANA A TRAVÉS DEL MODELO MULTIFACTORIAL PROBIT: CASO APLICADO A UNA EMPRESA EN EL VALLE DE MÉXICO." Tesis de Licenciatura, UNIVERSIDAD AUTONOMA DEL ESTADO DE MEXICO, 2013. http://hdl.handle.net/20.500.11799/68105.
Full textBelchi, Lorente Daniel. "Proposition d’un modèle produit agile pour l’écoconception : application aux batteries Li-ion." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAI050/document.
Full textHigh-tech products are widely used in many industrial sectors as well as in our everyday lives. They improve our quality of life, but with a high price to pay? The manufacture, use and end-of-life of these products cause strong environmental, economic and social impacts. These impacts are mainly due to the materials and to the energy used for the manufacturing, to their use, but also to bad working conditions to obtain raw materials. The end-of-life stage for high-tech products is a huge source of impacts because not considered during the design.Some researches have been conducted to reduce the environmental impact of high-tech products, but they only consider partially the life cycle stages (eg. The manufacturing phases) and exclude other stages, such as the end-de- life. Further studies are trying to integrate all the life cycle constraints but neglect the integration of environmental issues and they only consider the classical design constraints (cost, quality, performance, etc.). Other studies aimed at integrating the al the life cycle constraints and the environmental issues, but they are not adapted to quick features evolutions during the design process of high-tech product (new technologies, new materials, etc.We therefore propose a tool to guide the design of high-tech products, which aims to integrate all life-cycle stages including the end-of-life and environmental issues in addition to classic design issues. This is an agile product model for eco-design (APME), which considers the rapid evolution of the solutions during the development of high-tech products.In this thesis, the model is theoretically applied in a case study related to Li-ion batteries for electric automotive applications. The developed model is able to highlight the main design parameters and the main actors of the product life cycle which induce high environmental impacts to try to reduce them.This thesis considers the use of the product model concept when taking into account environmental impacts during the design process, for their efficient integration
Caron, Pierre-Alexandre. "Déterminants du profit d'une firme suite à l'innovation d'un antibiotique." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/26362.
Full textJanela, Sara Patrícia Brigas. "Modelos Dinâmicos para Variável Dependente Binária : aplicação ao uso de internet no telemóvel." Master's thesis, Instituto Superior de Economia e Gestão, 2013. http://hdl.handle.net/10400.5/10338.
Full textNeste trabalho é apresentado inicialmente um levantamento da literatura referente a modelos dinâmicos, modelos de regressão não lineares, com variável dependente binária com dados de painel. Estes modelos podem incluir efeitos de várias fontes, tais como, variáveis específicas de interesse, heterogeneidade não observada dos indivíduos e valores desfasados da variável dependente. Neste trabalho iremos analisar aspetos relacionados com a especificação, estimação e inferência do modelo proposto por Wooldridge (2005). O modelo probit é um dos métodos de estimação viáveis de modelos de resposta binária. Este modelo irá ser usado para explicar o uso de internet no telemóvel no período que decorre entre Fevereiro de 2011 e Junho de 2001. Utilizou-se com este fim o software STATA.
This paper presents an initial survey of the literature on dynamic models, nonlinear regression models with binary dependent variable for panel data. These models may include effects of various sources, such as specific variables of interest, unobserved individual heterogeneity and lagged values of the dependent variable. In this paper we analyze aspects related to the specification, estimation and inference of the model proposed by Wooldridge (2005). The probit model is a viable estimation method for binary response models of the type described above. This model will be used to explain the use of mobile internet with dates between February 2011 and June 2011. The software STATA was used for this purpose.
Bouikni, Nadjib. "Ingénierie simultanée et gestion du cycle de vie du produit modèle de validation des évolutions des caractéristiques du produit." Thèse, Université de Sherbrooke, 2005. http://savoirs.usherbrooke.ca/handle/11143/1768.
Full textChen, Yiwen Superfine Richard. "Probing protein structural dynamics using simplified models." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2007. http://dc.lib.unc.edu/u?/etd,1093.
Full textTitle from electronic title page (viewed Mar. 27, 2008). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Physics and Astronomy." Discipline: Physics and Astronomy; Department/School: Physics and Astronomy.
Fusaro, Kurtis C. "Combating the growth of slums using for-profit social business models." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54854.
Full textThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student submitted PDF version of thesis.
Includes bibliographical references (p. 82-85).
With 1 billion people living in the slums of cities today and no signs of a decrease in the rate of urbanization and population growth, it is obvious that new approaches to combating poverty and the global housing crisis are needed. Acknowledging the recent growth of the microfinance industry and social investing, this thesis investigates how for-profit social investment techniques could be used to create housing and combat the growth of slums. It compares various for-profit social business models and provides a "toolbox" of potential structures which could be employed based on the characteristics of a specific community. In the end, it shows that social business techniques hold promise as effective ways to draw money into developing nations from the world's capital markets to improve the lives of millions of informal settlers. Using literature reviews, interviews with industry participants, and a feasibility study based in Manila, the paper shows that: - There are multiple for-profit social business structures for producing low-cost housing which could be employed based on the characteristics of the particular community. - The social investment landscape has developed to the point where there is significant capital available for investments in housing. - A social business structure would be effective in providing housing for the lower-middle class population of informal settlements in Manila; and the implementation of such a program would be effective in relieving a large financial burden from public institutions, allowing them to serve more households in the lowest income segment.
(cont.) - These social business models could be scaled-up to numerous communities to create a significant impact on the housing crisis. As real estate developers fancy themselves as choreographers of a dance of multiple disciplines which, when orchestrated well, improves the quality of the built environment, I hope this paper presents a unique multidisciplinary approach to the issue of informal settlements, combining elements of finance, urban planning, law, and policy.
by Kurtis C. Fusaro.
S.M.
Izadpanah, Seyed-Hamedreza. "Méthode d'évolution de modèles produits dans les sytèmes PLM." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00721744.
Full textLesage, Cédric. "Traitement de l'information imparfaite et analyse de couts. Application au modele cout-volume-profit." Rennes 1, 1999. http://www.theses.fr/1999REN10204.
Full textLee, Jeehyun. "Analyse et modélisation de la réactivité au cours de la cuisson d’un produit modèle mimétique d’un produit céréalier type génoise." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS606.
Full textIn the context of developing tools to control the formation, during food processing, of newly-formed compounds having positive or negative impact on food quality and safety, this work aimed to understand and to describe the Maillard reaction and caramelization during the baking of a model product and to propose a modelling approach for predicting kinetics coupled with heat and mass transfers. An inert model product structurally imitative of a sponge cake was used. Thus, it was possible to specifically induce reactions by adding glucose alone for the G formula and with leucine for the G+L formula. The development of quantitative methods for twenty reaction markers (precursors, intermediates and products) was carried out to be able to acquire the kinetic data. The accelerating effect of the temperature and the absence of effect of the level of convection on the formation and the degradation of most of the markers were highlighted and quantified by kinetic results. The addition of leucine activated the Maillard reaction pathways including the Strecker degradation and the catalytic effect of leucine could be observed relatively to the caramelization routes exclusively present in the reaction model (G). Thanks to the experimental data acquired, a model of prediction of temperature and moisture content was developped, and then coupled to the kinetic model. The simultaneous identification of a large number of parameters over a wide range of values need to be pursued. However, two proofs of concept could be conducted on the caramelization model (G formula), one on all the markers for a single baking condition, and the other on glucose degradation for all baking conditions. They are encouraging for further modeling work
Canales, Piccoli Mario Enrique. "Innovación y obstáculos al conocimiento : efectos heterogéneos." Tesis, Universidad de Chile, 2016. http://repositorio.uchile.cl/handle/2250/144217.
Full textLa innovación es un fenómeno relevante para el crecimiento económico. No obstante, es un proceso que no ha sido estudiado a cabalidad desde la óptica de los factores que la dificultan o restringen. En este sentido, esta investigación busca aportar a la literatura estudiando los efectos del conocimiento sobre la innovación utilizando una medida directa de su efecto y desentrañando los canales por los que opera este obstáculo para distintos tipos de empresas. Para esto se utiliza un modelo Probit Bivariado, se solucionan los problemas de endogeneidad y se elimina el sesgo de selección restringiendo la muestra a las firmas potencialmente innovadoras, problemas recurrentes en este tipo de investigaciones. Se encuentra que los obstáculos de conocimiento disminuyen significativamente la innovación para las empresas, pero que este efecto es mayor para las empresas medianas, que disminuyen su propensión a innovar en cerca de 40pp. De esta forma, se debe tener en consideración la heterogeneidad de la innovación y de sus obstáculos a la hora de diseñar e implementar políticas de innovación.
Saada, Estelle. "Différenciation du produit et concurrence spatiale : contributions au modèle de la ville-circulaire." Aix-Marseille 2, 1998. http://www.theses.fr/1998AIX24008.
Full textSchneider, David [Verfasser], Alexander [Akademischer Betreuer] Benlian, and Dirk [Akademischer Betreuer] Schiereck. "Digital nudges as conversion enhancers in profit-oriented and non-profit oriented digital business models / David Schneider ; Alexander Benlian, Dirk Schiereck." Darmstadt : Universitäts- und Landesbibliothek, 2021. http://d-nb.info/1234657716/34.
Full textLepercq, Nicolas. "Réussir une reprise d'entreprise : proposition d'un modèle relationnel." Thesis, Université Paris sciences et lettres, 2020. http://www.theses.fr/2020UPSLD002.
Full textIn France, 60,000 SMEs are transmitted or disappear each year due to lack of buyers or successful transmissions. To understand these deficiencies and deal with them, practitioners and researchers have proposed a very large number of explanatory models. We propose in our thesis to analyse the success of a takeover by a relational approach between the buyer and the stakeholders. We established a framework for analyzing the relationships between the stakeholders and the new manager, then inventoried all the types of exchanges carried out as part of a takeover and designed a typology of the relational profiles of the new leader. For this, we conducted a multiple case study in four SMEs whose takeover process is in progress or completed. On the theoretical level, our results allow to propose a relational model of analysis of the success of a takeover of SME and to build a typology of relational system of the leader. On the managerial level, our research proposes an approach allowing to better identify the opportunities and the relational risks and thus to facilitate the takeovers and to help reduce the risks of failure