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2019 Journal Article Weak disposability in nonparametric production analysis: a new taxonomy of reference technology setsPham, Manh D. and Zelenyuk, Valentin (2019). Weak disposability in nonparametric production analysis: a new taxonomy of reference technology sets. European Journal of Operational Research, 274 (1), 186-198. doi: 10.1016/j.ejor.2018.09.019 |
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2019 Journal Article A unifying framework for farrell profit efficiency measurementFäre, Rolf, He, Xinju, Li, Sungko and Zelenyuk, Valentin (2019). A unifying framework for farrell profit efficiency measurement. Operations Research, 67 (1), 183-197. doi: 10.1287/opre.2018.1770 |
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2018 Journal Article Data envelopment analysis, truncated regression and double-bootstrap for panel data with application to Chinese bankingDu, Kai, Worthington, Andrew C. and Zelenyuk, Valentin (2018). Data envelopment analysis, truncated regression and double-bootstrap for panel data with application to Chinese banking. European Journal of Operational Research, 265 (2), 748-764. doi: 10.1016/j.ejor.2017.08.005 |
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2018 Journal Article Slack-based directional distance function in the presence of bad outputs: theory and application to Vietnamese bankingPham, Manh D. and Zelenyuk, Valentin (2018). Slack-based directional distance function in the presence of bad outputs: theory and application to Vietnamese banking. Empirical Economics, 54 (1), 1-35. doi: 10.1007/s00181-017-1232-7 |
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2018 Journal Article Central limit theorems for aggregate efficiencySimar, Leopold and Zelenyuk, Valentin (2018). Central limit theorems for aggregate efficiency. Operations Research, 66 (1), 137-149. doi: 10.1287/opre.2017.1655 |
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2017 Journal Article Nonparametric least squares methods for stochastic frontier modelsSimar, Léopold, Van Keilegom, Ingrid and Zelenyuk, Valentin (2017). Nonparametric least squares methods for stochastic frontier models. Journal of Productivity Analysis, 47 (3), 189-204. doi: 10.1007/s11123-016-0474-2 |
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2017 Journal Article Introduction to the APPC2014 special issuePeyrache, Antonio and Zelenyuk, Valentin (2017). Introduction to the APPC2014 special issue. Journal of Productivity Analysis, 47 (3), 185-187. doi: 10.1007/s11123-017-0506-6 |
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2017 Journal Article Nonparametric estimation of dynamic discrete choice models for time series dataPark, Byeong U., Simar, Léopold and Zelenyuk, Valentin (2017). Nonparametric estimation of dynamic discrete choice models for time series data. Computational Statistics and Data Analysis, 108, 97-120. doi: 10.1016/j.csda.2016.10.024 |
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2017 Journal Article How relevant is the choice of risk management control variable to non-parametric bank profit efficiency analysis? The case of South Korean banksSimper, Richard, Hall, Maximilian J. B., Liu, WenBin, Zelenyuk, Valentin and Zhou, Zhongbao (2017). How relevant is the choice of risk management control variable to non-parametric bank profit efficiency analysis? The case of South Korean banks. Annals of Operations Research, 250 (1), 105-127. doi: 10.1007/s10479-015-1946-x |
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2016 Journal Article Performance of hospital services in Ontario: DEA with truncated regression approachChowdhury, Hedayet and Zelenyuk, Valentin (2016). Performance of hospital services in Ontario: DEA with truncated regression approach. Omega, 63, 111-122. doi: 10.1016/j.omega.2015.10.007 |
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2016 Journal Article Generalized nonparametric smoothing with mixed discrete and continuous dataLi, Degui, Simar, Leopold and Zelenyuk, Valentin (2016). Generalized nonparametric smoothing with mixed discrete and continuous data. Computational Statistics and Data Analysis, 100, 1-21. doi: 10.1016/j.csda.2014.06.003 |
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2016 Journal Article Cost decompositions and the efficient subsetFäre, Rolf, Fukuyama, Hirofumi, Grosskopf, Shawna and Zelenyuk, Valentin (2016). Cost decompositions and the efficient subset. Omega, 62, 123-130. doi: 10.1016/j.omega.2015.09.004 |
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2015 Journal Article Decomposing profit efficiency using a slack-based directional distance functionFäre, Rolf, Fukuyama, Hirofumi, Grosskopf, Shawna and Zelenyuk, Valentin (2015). Decomposing profit efficiency using a slack-based directional distance function. European Journal of Operational Research, 247 (1), 335-337. doi: 10.1016/j.ejor.2015.05.047 |
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2015 Journal Article Categorical data in local maximum likelihood: theory and applications to productivity analysisPark, Byeong U., Simar, Leopold and Zelenyuk, Valentin (2015). Categorical data in local maximum likelihood: theory and applications to productivity analysis. Journal of Productivity Analysis, 43 (2), 199-214. doi: 10.1007/s11123-014-0394-y |
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2015 Journal Article Pricing of decision-making units under non-constant returns to scaleFäre, Rolf and Zelenyuk, Valentin (2015). Pricing of decision-making units under non-constant returns to scale. Journal of the Operational Research Society, 66 (1), 172-173. doi: 10.1057/jors.2013.161 |
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2015 Journal Article Aggregation of scale efficiencyZelenyuk, Valentin (2015). Aggregation of scale efficiency. European Journal of Operational Research, 240 (1), 269-277. doi: 10.1016/j.ejor.2014.06.038 |
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2015 Journal Article Foreign bank diversification and efficiency prior to and during the financial crisis: does one business model fit all?Curi, Claudia, Lozano-Vivas, Ana and Zelenyuk, Valentin (2015). Foreign bank diversification and efficiency prior to and during the financial crisis: does one business model fit all?. Journal of Banking and Finance, 61, S22-S35. doi: 10.1016/j.jbankfin.2015.04.019 |
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2014 Journal Article Aggregation of Malmquist productivity indexes allowing for reallocation of resourcesMayer, Andreas and Zelenyuk, Valentin (2014). Aggregation of Malmquist productivity indexes allowing for reallocation of resources. European Journal of Operational Research, 238 (3), 774-785. doi: 10.1016/j.ejor.2014.04.003 |
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2014 Journal Article Scale efficiency and homotheticity: equivalence of primal and dual measuresZelenyuk, Valentin (2014). Scale efficiency and homotheticity: equivalence of primal and dual measures. Journal of Productivity Analysis, 42 (1), 15-24. doi: 10.1007/s11123-013-0361-z |
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2014 Journal Article Analysis of productivity, efficiency and technological changes in hospital services in Ontario: how does case-mix matter?Chowdhury, Hedayet, Zelenyuk, Valentin, Laporte, Audrey and Wodchis, Walter P. (2014). Analysis of productivity, efficiency and technological changes in hospital services in Ontario: how does case-mix matter?. International Journal of Production Economics, 150, 74-82. doi: 10.1016/j.ijpe.2013.12.003 |
