Relevant bibliographies by topics / Stochastic frontier function

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Stochastic frontier function'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Stochastic frontier function"

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Afifah, Salma Inayatul, and Suwanda. "Analisis Pengukuran Tingkat Efisiensi Perusahaan Menggunakan Metode Stochastic Frontier Analysis (SFA)." Bandung Conference Series: Statistics 3, no. 2 (2023): 459–65. http://dx.doi.org/10.29313/bcss.v3i2.8369.

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Abstract. The stochastic frontier has two error components, namely errors originating from random errors and errors originating from other factors than can be controlled, namely inefficiency errors. The Stochastic Frontier Analysis model is an extension of the deterministic frontier model developed by Aigner and Chu (1968) in Coelli et al (1998). Stochastic Frontier Analysis (SFA) is one of the best known techniques for determining efficiency. So to overcome the level of efficiency of a company researchers will use the stochastic frontier with the Cobb-Douglas production function model. The pr
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Yoon, Danbi, and Hohsuk Noh. "Estimation of smooth monotone frontier function under stochastic frontier model." Korean Journal of Applied Statistics 30, no. 5 (2017): 665–79. http://dx.doi.org/10.5351/kjas.2017.30.5.665.

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Kalirajan, K. P., and M. B. Obwona. "FRONTIER PRODUCTION FUNCTION: THE STOCHASTIC COEFFICIENTS APPROACH." Oxford Bulletin of Economics and Statistics 56, no. 1 (2009): 87–96. http://dx.doi.org/10.1111/j.1468-0084.1994.mp56001007.x.

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Carter, Douglas R., and Frederick W. Cubbage. "Stochastic Frontier Estimation and Sources of Technical Efficiency in Southern Timber Harvesting." Forest Science 41, no. 3 (1995): 576–93. http://dx.doi.org/10.1093/forestscience/41.3.576.

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Abstract This research provides estimates of average industry and firm-specific technical efficiency using an econometric stochastic frontier production function for individual firms operating in the southern U.S. pulpwood harvesting industry in both 1979 and 1987. The stochastic frontier production function is capable of distinguishing deviations from the frontier due to uncontrollable stochastic elements, as well as provide a pure measure of technical efficiency. Results indicate that mean industry technical efficiency was nearly constant at 60% in both periods while frontier technical chang
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Arsad, Roslah. "Measuring Efficiency Performance in Economic Productivity Function: Parametric and Non-Parametric Frontier Approach." International Journal of Research and Innovation in Social Science VIII, no. VIII (2024): 4162–72. http://dx.doi.org/10.47772/ijriss.2024.8080315.

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The parametric and non-parametric frontier approach is the famous frontier measurement efficiency in economic productivity. Many researches on economics-based has focused on efficiency. Basically, efficiency comprises two important components. First is technical efficiency and second is allocative efficiency. Combination of technical and allocative efficiency called as economic efficiency. In order to measure both components of efficiency, parametric and non-parametric approaches have been utilized to either estimate or calculate the efficiency frontier. Many studies have adopted non-parametri
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Guo, Xu, Gao-Rong Li, Michael McAleer, and Wing-Keung Wong. "Specification Testing of Production in a Stochastic Frontier Model." Sustainability 10, no. 9 (2018): 3082. http://dx.doi.org/10.3390/su10093082.

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Parametric production frontier functions are frequently used in stochastic frontier models, but there do not seem to be any empirical test statistics for the plausibility of this application. In this paper, we develop procedures to test whether or not the parametric production frontier functions are suitable. Toward this aim, we developed two test statistics based on local smoothing and an empirical process, respectively. Residual-based wild bootstrap versions of these two test statistics are also suggested. The distributions of technical inefficiency and the noise term are not specified, whic
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Arsad, Roslah, Zaidi Isa, and Siti Nabilah Mohd Shaari. "Estimating Efficiency Performance of Decision-Making Unit by using SFA and DEA Method: A Cross-Sectional Data Approach." International Journal of Engineering & Technology 7, no. 4.33 (2018): 25. http://dx.doi.org/10.14419/ijet.v7i4.33.23478.

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In this paper, a cross-sectional samples data of 115 Malaysian stocks have been employed to compare both Data Envelopment Analysis (DEA) method and Stochastic Frontier Analysis (SFA) method. These approaches are used to provide a review of frontier conceptual measurement, strength and limitation of the parametric and non-parametric models. Stochastic frontier production function of Cobb-Douglas type was utilized for the estimation. The function was estimated using the maximum likelihood estimation technique. Two models in DEA, DEA-CCR and DEA-BCC are applied in this study and the ranking corre
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A.A. Akinsulu. "A stochastic frontier approach to determine technical efficiency of cassava farmers in Ondo state, Nigeria." Journal of Agriculture and Environment 20, no. 2 (2025): 43–52. https://doi.org/10.4314/jagrenv.v20i2.5.

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The stochastic frontier production model showed an improvement over the traditional average function and the deterministic functions, which use mathematical programming to construct production frontiers. The study was conducted to analyze the technical efficiency of sole cassava farmers in Ondo State using a stochastic frontier model. Primary data were obtained with the aid of a structured questionnaire, and a multistage sampling technique was used to sample 160 respondents. The result revealed that the variance of parameters (gamma and sigma squared) of the frontier production function was bo
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Riyardi, Agung, Maulidyah Indira Hasmarini, Yunastiti Purwaningsih, and Didit Purnomo. "Indonesian SDGS Problems: Technical Inefficiency Due to Economic Crime and Income Inequality." Journal of Lifestyle and SDGs Review 4, no. 3 (2024): e02325. http://dx.doi.org/10.47172/2965-730x.sdgsreview.v4.n03.pe02325.

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Objective: The study objective is investigating the technical inefficiency resulted from economic crime and its association with income inequality, with the study aims are modeling a stochastic frontier aggregate production function, measuring inefficiency, and mapping the economic inefficiency due to economic crime with income inequality association. Theoretical Framework: The main concepts are Crime Economics, Stochastic Frontier Analysis, and Aggregate Production Function. Method: The methodology comprises a stochastic frontier aggregate production function modelling to calculate technical
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Batiese, George E., Sohail J. Malik, and Sumiter Broca. "Production Functions for Wheat Farmers in Selected Districts of Pakistan: An Application of a Stochastic Frontier Production Function with Time-varying Inefficiency Effects." Pakistan Development Review 32, no. 3 (1993): 233–68. http://dx.doi.org/10.30541/v32i3pp.233-268.

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Two models of technical inefficiency with a stochastic production frontier are considered in this paper. In the frrst model, it is assumed that the frontier itself does not vary with time, while in the second, the frontier is allowed to move. These models are applied to four years of panel data on wheat farmers in four districts of Pakistan: Faisalabad and Attock in the Punjab, Badin in Sindh, and Dir in the NWFP. Using essentially the same stochastic frontier production function in each of the four districts involved, different stochastic specifications for the inefficiency effects are obtain
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Dissertations / Theses on the topic "Stochastic frontier function"

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Chylíková, Alena. "Analýza efektivnosti - ekonometrický přístup." Master's thesis, Vysoká škola ekonomická v Praze, 2013. http://www.nusl.cz/ntk/nusl-199520.

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This diploma thesis deals with the stochastic frontier approach -- a tool for the analysis of technical efficiency. First, general outline, basic terms and approaches to efficiency analysis are overviewed. Also the theoretical background of production functions is involved, focused on the Cobb-Douglas production function. Furthermore, the frontier approach and the stochastic frontier approach for cross-sections data is covered. Based on this, stochastic frontier model with time-varying technical efficiency for panel data is introduced with respect to maximum likelihood estimation. The second p
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Adetutu, Morakinyo O. "Three essays on rebound effects." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/19044.

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This thesis investigates three major aspects of energy consumption rebound effects (RE) in three papers. More specifically, the issues addressed are (i) the magnitude of economy-wide rebound effect (ii) the role of energy policy instruments in mitigating it and (iii) its channels of impact. The research begins with the estimation of cross-country economy-wide rebound effects for a panel of 55 countries over the period 1980 to 2010. A two-stage approach is utilized in which energy efficiency is first estimated from a stochastic input distance frontier (SIDF). The estimated energy efficiency is
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Azevedo, Helda Sofia Teixeira de. "Economias de escala em centros hospitalares." Master's thesis, Universidade Nova de Lisboa. Escola Nacional de Saúde Pública, 2011. http://hdl.handle.net/10362/6230.

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RESUMO - Perante o actual contexto de contenção de gastos no sector da saúde e consequente preocupação com a eficiência do sistema, tem‐se assistido a mudanças várias no modelo de gestão e organizacional do sistema de saúde. Destaca‐se a alteração da estrutura hospitalar, com vista à racionalização dos seus recursos internos, onde as fusões hospitalares têm assumido um papel determinante. Em Portugal, nos últimos 10 anos, assistiu‐se a uma significativa redução do número de hospitais (de sensivelmente 90 para 50 unidades), exclusivamente através das fusões e sem quaisquer alterações no n
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Nakamura, H. Richard. "Motives, partner selection and productivity effects of M&As : the pattern of Japanese mergers and acquisitions." Doctoral thesis, Handelshögskolan i Stockholm, Institute of International Business (IIB), 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:hhs:diva-1627.

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Ajayi, Victor A. "Essays on deregulation in the electricity generation sector." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/27614.

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Over that past three decades, power sector reform has been a key pillar of policy agendas in more than half of the countries across the world. This thesis specifically concerns the empirical investigation of the economic performance of the international electricity generation industry. Drawing on the stochastic frontier analysis techniques, the thesis considers the influence of reform as exogenous factors in shifting frontier technology as well as shaping inefficiency function directly -determinants and heteroscedasticity variables. The first essay uses an extensive panel dataset of 91 countri
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Cespedes, Juliana Garcia. "Modelos de fronteira estocástica: uma abordagem bayesiana." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11134/tde-03092008-121251/.

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A firma é o principal agente econômico para a produção e distribuição de bens e serviços. Seu constante investimento em melhorias e o aperfeiçoamento de sua capacidade produtiva, visando tornar-se cada vez mais eficiente, transforma-se em um determinante central do bem estar econômico da sociedade. O processo de medir a ineficiência de firmas baseia-se em análises de fronteiras, onde a ineficiência é medida como a distância entre os pontos observados da variável resposta e a função de produção, custo ou lucro verdadeiras, dependendo do modelo assumido para descrever a variável resposta. Existe
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Song, In Ho. "Essays on House Prices and Consumption." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306848116.

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Carta, Alessandro. "Copula functions and application to multivariate stochastic frontier models." Thesis, University of Warwick, 2012. http://wrap.warwick.ac.uk/54467/.

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Copula functions represent a statistical methodology that has recently attracted a lot of attention in different fields of applications such as finance, economics, microeconomics and etc. Copulas are mainly known to have the ability to disentangle a multivariate distributions in two components: dependence and marginal functions. In this Thesis we apply this statistical tool to elaborate a multivariate stochastic frontier model, with the purpose of estimating the inefficiency term of economic units, producing more than one output. The proposed model is compared with the previous multivariate mo
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Mohottala, Gedara Kularatne. "Optimal allocation of water in village irrigation systems of Sri Lanka." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/48342/1/Kularatne_Gedara_Thesis.pdf.

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This PhD study examines whether water allocation becomes more productive when it is re-allocated from 'low' to 'high' efficient alternative uses in village irrigation systems (VISs) in Sri Lanka. Reservoir-based agriculture is a collective farming economic activity, which inter-sectoral allocation of water is assumed to be inefficient due to market imperfections and weak user rights. Furthermore, the available literature shows that a „head-tail syndrome. is the most common issue for intra-sectoral water management in „irrigation. agriculture. This research analyses the issue of water allocatio
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D'AMICO, FRANCESCO. "Essays on economics of health and social care." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2010. http://hdl.handle.net/2108/1270.

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Technical progress, prevention and patient health outcomes: a new look of technical progress in health care -L’obiettivo di questo lavoro e’ la stima quantitativa del diverso ruolo che pazienti, medici e tecnologia medica hanno sull’esito dei trattamenti sanitari. L’analisi e’ basata sull’uso di una vasta e dettagliata banca dati di pazienti italiani raccolta dalla SIMG (Società Italiana di Medicina Generale) per il periodo 2001-2006. Nel caso particolare di pazienti in terapia statinica per malattie cardio-vascolari, i dati mostrano l’esistenza di eterogeneità per quanto riguarda la ve
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Books on the topic "Stochastic frontier function"

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Teklewold, Hailemariam. Economics of conservation tillage in wheat production: A stochastic frontier production function approach. EARO, 2003.

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Izadi, Hooshang. Stochastic frontier estimation of a CES cost function: The case of higher education in Britain. The Management School, Lancaster University, 1997.

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Zaim, Osman. Using a stochastic production frontier to test the relative efficiency of sharecroppers. 1989.

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Book chapters on the topic "Stochastic frontier function"

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Heshmati, Almas, and Jungsuk Kim. "Stochastic Frontier Production Function Model Specification and Estimation Results." In Efficiency and Competitiveness of International Airlines. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1017-0_4.

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Heshmati, Almas, and Jungsuk Kim. "Stochastic Frontier Cost Function Model Specification and Estimation Results." In Efficiency and Competitiveness of International Airlines. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1017-0_5.

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Kang, Sangmok. "Environmental and Energy Efficiencies Using the Stochastic Frontier Cost Function Type." In Energy, Environment and Transitional Green Growth in China. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7919-1_10.

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Pereira, Dulce Gamito, and Ana Sampaio. "Joint-Regression Analysis and Incorporation of Environmental Variables in Stochastic Frontier Production Function: An Application to Experimental Data of Winter Rye." In Advances in Regression, Survival Analysis, Extreme Values, Markov Processes and Other Statistical Applications. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-34904-1_34.

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Kalirajan, Kali P., and Ric Shand. "Stochastic Frontier Production Functions and Technical Efficiency Measurements: A Review." In Productivity and Growth in Chinese Agriculture. Palgrave Macmillan UK, 1999. http://dx.doi.org/10.1007/978-1-349-27448-2_2.

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Kanjanatarakul, Orakanya, Nachatchapong Kaewsompong, Songsak Sriboonchitta, and Thierry Denœux. "Estimation and Prediction Using Belief Functions: Application to Stochastic Frontier Analysis." In Econometrics of Risk. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13449-9_12.

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Fındık, Derya, and Aysit Tansel. "Intangible Investment and Technical Efficiency." In Handbook of Research on Cultural and Economic Impacts of the Information Society. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8598-7.ch008.

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This chapter analyzes the effect of intangible investment on firm efficiency with an emphasis on its software component. Stochastic production frontier approach is used to simultaneously estimate the production function and the determinants of technical efficiency in the software intensive manufacturing firms in Turkey for the period 2003-2007. Firms are classified based on the technology group. High technology and low technology firms are estimated separately in order to reveal differentials in their firm efficiency. The results show that the effect of software investment on firm efficiency i
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Hunt-McCool, Janet C., and Ronald S. Warren. "Earnings Frontiers and Labor Market Efficiency." In The Measurement of Productive Efficiency. Oxford University PressNew York, NY, 1993. http://dx.doi.org/10.1093/oso/9780195072181.003.0005.

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Abstract The rhetoric of human capital theory borrows heavily from the neoclassical theories of investment and production. Investments in human capital in the form of schooling, on-the-job training, and work experience represent inputs to an earnings production function, which is usually given empirical expression by the semilogarithmic earnings equation popularized by Becker and Chiswick (1966), Mincer (1974), and Heckman and Polachek (1974). With a few very recent exceptions, however, the stochastic specifications of empirical earnings equations have not been faithful to the theoretical conc
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Senapati, Sibananda, and Vijaya Gupta. "Impacts of Climate Change on Fish Productivity." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-8814-8.ch012.

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This paper attempts to understand the climatic and socio-economic factors influencing the efficiency and thereby the livelihood of fishing community in Mumbai. Efficiency in fishing is influenced by the scale of production, technology and inputs used, socio-economic and climate sensitive factors such as temperature, current, wind, rainfall etc. A primary survey of 164 fishing households is conducted in five fishing villages of Mumbai to collect input-output and other relevant data related to socioeconomic and climatic factors. Using stochastic frontier function, it is found that the number of
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Senapati, Sibananda, and Vijaya Gupta. "Impacts of Climate Change on Fish Productivity." In Natural Resources Management. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-0803-8.ch056.

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This paper attempts to understand the climatic and socio-economic factors influencing the efficiency and thereby the livelihood of fishing community in Mumbai. Efficiency in fishing is influenced by the scale of production, technology and inputs used, socio-economic and climate sensitive factors such as temperature, current, wind, rainfall etc. A primary survey of 164 fishing households is conducted in five fishing villages of Mumbai to collect input-output and other relevant data related to socioeconomic and climatic factors. Using stochastic frontier function, it is found that the number of
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Conference papers on the topic "Stochastic frontier function"

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Arsad, Roslah, and Zaidi Isa. "Evaluating the efficiency of stock performance: A Cobb-Douglas function in stochastic frontier analysis approach." In THE 2018 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2018 Postgraduate Colloquium. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5111222.

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KIET, TRUONG HONG VO TUAN, NGUYEN THI KIM THOA, and PHAM THI NGUYEN. "APPLYING COBB–DOUGLAS STOCHASTIC FRONTIER PROFIT FUNCTION: A CASE STUDY OF HOALOCMANGO IN THE MEKONG DELTA, VIETNAM." In SDP 2020. WIT Press, 2020. http://dx.doi.org/10.2495/sdp200401.

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Teymoori H., Fatemeh, Amir Safari, and Mostafa Kamalinasab. "Stochastic Multi-Objective Optimization of a Residential Microturbine-Driven CHP System Considering Probabilistic Reliability Constraint." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-100452.

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Abstract Recently, micro combined heat and power (M-CHP) systems have been increasingly used worldwide. M-CHP is supposed to play a meaningful role in reducing carbon dioxide emission, increasing energy resource efficiency, and economic saving in the future. This article suggests a new multi-objective optimization approach for optimal planning of microturbine-based CHP systems by considering the uncertainty of equipment availability. The proposed model consists of three competing objective functions: full investment/operation cost, exergy efficiency, and gaseous emissions. To model the uncerta
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Neugebauer, Florian, Ilia Polian, and John P. Hayes. "On the maximum function in stochastic computing." In CF '19: Computing Frontiers Conference. ACM, 2019. http://dx.doi.org/10.1145/3310273.3323050.

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Jones, Zachary D., Jiahong Jin, Jun Q. Lu, and Xin-Hua Hu. "Development and Validation of a Rapid Inverse Solver for Multiparameter Spectrophotometry Without Integrating Sphere." In Frontiers in Optics. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/fio.2022.jtu5a.10.

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We present a new approach for determination of radiative transfer (RT) parameters by a stochastic optimization algorithm combined with local averaging and an objective function for reduction of variance in calculated signals by Monte Carlo simulations validated by measuring 20% Intralipid to determine its RT parameters from 520 to 1000 nm.
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Alonso, Daniel, Ines de Vega, J. G. Hartnett, and P. C. Abbott. "Dynamics of time correlation functions and stochastic quantum trajectories methods in Non-Markovian systems." In FRONTIERS OF FUNDAMENTAL AND COMPUTATIONAL PHYSICS: 10th International Symposium. AIP, 2010. http://dx.doi.org/10.1063/1.3460217.

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Secord, Thomas W., Frank Harewood, Cahal McVeigh, Behrooz Nadian, and Evin Donnelly. "Copula Based Probabilistic Modeling of Use Conditions for Self Expanding Transcatheter Valve Structural Components." In ASME 2013 Conference on Frontiers in Medical Devices: Applications of Computer Modeling and Simulation. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fmd2013-16170.

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Transcatheter heart valve replacement is rapidly becoming a viable option for patients who present as high risk surgical candidates. The emergence of these devices has prompted a need to understand their long term structural integrity as a function of boundary conditions, material behavior, and device geometry assumptions. In the case of transcatheter replacement heart valves, there is a shortage of clinical data from which to derive accurate use conditions. Therefore, structural analysis of these devices is enhanced by using a stochastic, rather than deterministic, framework.
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Ibrahim, Ilham H., and Constantin Chassapis. "Quantitative Assessment of the Risk of Variations During Medical Device Lifecycle." In ASME 2013 Conference on Frontiers in Medical Devices: Applications of Computer Modeling and Simulation. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fmd2013-16109.

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The majority of medical devices are monitoring devices. Therefore, data communication and analysis are playing a crucial rule in predicting the effectiveness and reliability of a device. Device related data, patient related data and device-patient related data stored in Data Bases (DBs) are great sources for enhancing either new designs or improving already existing ones. Analyzing such data can provide researchers and device development teams with a complete justification and patterns of interest about a device’s performance, life and reliability. Data can be formulated into stochastic models
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Reports on the topic "Stochastic frontier function"

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Freitas, Carlos Otávio, Felipe de F. Silva, and Mateus C. R. Neves. A Stochastic Frontier Approach Applied to Farms to Selected Andean Countries. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003660.

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In this paper, we estimate a stochastic production function for Bolivia, Ecuador, Colombia, and Peru to investigate whether road infrastructure affects farm technical inefficiency. We use agricultural censuses of Colombia and Bolivia in 2013 and 2014, respectively; national agricultural surveys in 2017 of both Ecuador and Peru; and data on the road network and travel time to the nearest town with 50,000 inhabitants or more. Our main findings are that irrigation increases the value of production and road network decreases farm technical inefficiency, that is, road density (travel time) increase
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Morales Sarriera, Javier, Tomás Serebrisky, Gonzalo Araya, Cecilia Briceño-Garmendia, and Jordan Schwartz. Benchmarking Container Port Technical Efficiency in Latin America and the Caribbean. Inter-American Development Bank, 2013. http://dx.doi.org/10.18235/0011526.

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We developed a technical efficiency analysis of container ports in Latin America and the Caribbean using an input-oriented stochastic frontier model. We employed a 10-year panel with data on container throughput, port terminal area, berth length, and number of available cranes in 63 ports. The model has three innovations with respect to the available literature: (i) we treated ship-to-shore gantry cranes and mobile cranes separately, in order to account for the higher productivity of the former; (ii) we introduced a binary variable for ports using ships¿ cranes, treated as an additional source
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Cuenca, Janet. Efficiency of Local Governments in Health Service Delivery: A Stochastic Frontier Analysis. Philippine Institute for Development Studies, 2020. https://doi.org/10.62986/dp2020.06.

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The study analyzes the efficiency implications of fiscal decentralization using stochastic frontier analysis (SFA). It uses health expenditure (in per capita real terms) data from local government units (LGUs) as input. The output variables of interest include access to safe water and sanitation, health facility-based delivery, and access to hospital inpatient services. It also uses LGU income and its major components (i.e., own-source revenue and income revenue allotment, in per capita real terms) as covariates, as well as the health expenditure decentralization ratio, to account for fiscal a
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ROTH, Vathana, Socheat KEO, and Sokcheng SIM. Profitability and Technical Efficiency of Chilli Farms in Cambodia. Cambodia Development Resource Institute, 2024. https://doi.org/10.64202/wp.144.202406.

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In this study, we examine the revenue, costs, profits and technical efficiency of chilli farms in Cambodia. We employ a representative sample of 542 chilli farming households from Banteay Meanchey, Battambang, Kampong Chhnang, Kampong Cham, Tboung Khmum and Kandal. The sample was randomly selected using a two-stage stratified sampling design, where villages were chosen in the first stage as the primary sampling unit and households engaged in chilli production were selected in the second stage as the secondary sampling units. The selection of primary sampling units was proportional to the numbe
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Perdigão, Rui A. P. New Horizons of Predictability in Complex Dynamical Systems: From Fundamental Physics to Climate and Society. Meteoceanics, 2021. http://dx.doi.org/10.46337/211021.

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Discerning the dynamics of complex systems in a mathematically rigorous and physically consistent manner is as fascinating as intimidating of a challenge, stirring deeply and intrinsically with the most fundamental Physics, while at the same time percolating through the deepest meanders of quotidian life. The socio-natural coevolution in climate dynamics is an example of that, exhibiting a striking articulation between governing principles and free will, in a stochastic-dynamic resonance that goes way beyond a reductionist dichotomy between cosmos and chaos. Subjacent to the conceptual and ope
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