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2023 Journal Article Further improvements of finite sample approximation of central limit theorems for envelopment estimatorsSimar, Léopold, Zelenyuk, Valentin and Zhao, Shirong (2023). Further improvements of finite sample approximation of central limit theorems for envelopment estimators. Journal of Productivity Analysis, 59 (2), 189-194. doi: 10.1007/s11123-023-00661-8 |
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2023 Journal Article Is newer always better? A reinvestigation of productivity dynamics using updated PWT dataMeng, Yan, Parmeter, Christopher F. and Zelenyuk, Valentin (2023). Is newer always better? A reinvestigation of productivity dynamics using updated PWT data. Journal of Productivity Analysis, 59 (1), 1-13. doi: 10.1007/s11123-022-00649-w |
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2023 Journal Article Statistical inference for aggregation of Malmquist productivity indicesPham, Manh, Simar, Léopold and Zelenyuk, Valentin (2023). Statistical inference for aggregation of Malmquist productivity indices. Operations Research, 72 (4), 1615-1629. doi: 10.1287/opre.2022.2424 |
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2023 Journal Article Productivity analysis: roots, foundations, trends and perspectivesZelenyuk, Valentin (2023). Productivity analysis: roots, foundations, trends and perspectives. Journal of Productivity Analysis, 60 (3), 229-247. doi: 10.1007/s11123-023-00692-1 |
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2022 Journal Article Data sharpening for improving central limit theorem approximations for data envelopment analysis–type efficiency estimatorsNguyen, Bao Hoang, Simar, Léopold and Zelenyuk, Valentin (2022). Data sharpening for improving central limit theorem approximations for data envelopment analysis–type efficiency estimators. European Journal of Operational Research, 303 (3), 1469-1480. doi: 10.1016/j.ejor.2022.03.038 |
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2021 Journal Article Performance analysis: economic foundations and trendsZelenyuk, Valentin (2021). Performance analysis: economic foundations and trends. Foundations and Trends in Econometrics, 11 (3), 153-229. doi: 10.1561/0800000034 |
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2021 Journal Article Quadratic-mean-of-order-r indexes of output, input and productivityMizobuchi, Hideyuki and Zelenyuk, Valentin (2021). Quadratic-mean-of-order-r indexes of output, input and productivity. Journal of Productivity Analysis, 56 (2-3), 133-138. doi: 10.1007/s11123-021-00613-0 |
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2021 Journal Article LASSO+DEA for small and big wide dataChen, Ya, Tsionas, Mike G. and Zelenyuk, Valentin (2021). LASSO+DEA for small and big wide data. Omega , 102 102419, 102419. doi: 10.1016/j.omega.2021.102419 |
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2021 Journal Article Hicks neutrality and homotheticity in technologies with multiple inputs and multiple outputsFäre, Rolf, Mizobuchi, Hideyuki and Zelenyuk, Valentin (2021). Hicks neutrality and homotheticity in technologies with multiple inputs and multiple outputs. Omega, 101 102240, 102240. doi: 10.1016/j.omega.2020.102240 |
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2021 Journal Article Predicting recessions with a frontier measure of output gap: an application to Italian economyMastromarco, Camilla, Simar, Léopold and Zelenyuk, Valentin (2021). Predicting recessions with a frontier measure of output gap: an application to Italian economy. Empirical Economics, 60 (6), 2701-2740. doi: 10.1007/s00181-021-02029-z |
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2021 Journal Article On aggregation of multi-factor productivity indexesFäre, Rolf and Zelenyuk, Valentin (2021). On aggregation of multi-factor productivity indexes. Journal of Productivity Analysis, 55 (2), 107-133. doi: 10.1007/s11123-021-00598-w |
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2021 Journal Article Sequential data envelopment analysisFäre, Rolf and Zelenyuk, Valentin (2021). Sequential data envelopment analysis. Annals of Operations Research, 300 (1), 307-312. doi: 10.1007/s10479-020-03924-x |
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2021 Journal Article Aggregate efficiency of industry and its groups: the case of Queensland public hospitalsNguyen, Bao Hoang and Zelenyuk, Valentin (2021). Aggregate efficiency of industry and its groups: the case of Queensland public hospitals. Empirical Economics, 60 (6), 2795-2836. doi: 10.1007/s00181-020-01994-1 |
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2020 Journal Article Profit efficiency: generalization, business accounting and the role of convexityFäre, Rolf and Zelenyuk, Valentin (2020). Profit efficiency: generalization, business accounting and the role of convexity. Economics Letters, 196 109483, 109483. doi: 10.1016/j.econlet.2020.109483 |
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2020 Journal Article Improving finite sample approximation by central limit theorems for estimates from Data Envelopment AnalysisSimar, Léopold and Zelenyuk, Valentin (2020). Improving finite sample approximation by central limit theorems for estimates from Data Envelopment Analysis. European Journal of Operational Research, 284 (3), 1002-1015. doi: 10.1016/j.ejor.2020.01.036 |
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2020 Journal Article Aggregation of inputs and outputs prior to Data Envelopment Analysis under big dataZelenyuk, Valentin (2020). Aggregation of inputs and outputs prior to Data Envelopment Analysis under big data. European Journal of Operational Research, 282 (1), 172-187. doi: 10.1016/j.ejor.2019.08.007 |
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2019 Journal Article Combining the virtues of stochastic frontier and data envelopment analysisParmeter, Christopher F. and Zelenyuk, Valentin (2019). Combining the virtues of stochastic frontier and data envelopment analysis. Operations Research, 67 (6) opre.2018.1831, 1628-1658. doi: 10.1287/opre.2018.1831 |
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2019 Journal Article On Luenberger input, output and productivity indicatorsFäre, Rolf and Zelenyuk, Valentin (2019). On Luenberger input, output and productivity indicators. Economics Letters, 179, 72-74. doi: 10.1016/j.econlet.2019.03.024 |
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2019 Journal Article Forecasting of recessions via dynamic probit for time series: replication and extension of Kauppi and Saikkonen (2008)Park, Byeong U., Simar, Léopold and Zelenyuk, Valentin (2019). Forecasting of recessions via dynamic probit for time series: replication and extension of Kauppi and Saikkonen (2008). Empirical Economics, 58 (1), 379-392. doi: 10.1007/s00181-019-01708-2 |
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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 |
