Valentin Zelenyuk

29 papers Journal 29
YearRankTypeTitle / Venue / Authors
2025 J jnl
Goodness-of-fit in production models: A Bayesian perspective.
Eur. J. Oper. Res.
Mike G. Tsionas, Valentin Zelenyuk, Xibin Zhang
2025 J jnl
Likelihood-ratio test for technological differences in two-stage data envelopment analysis for panel data.
Eur. J. Oper. Res.
Kai Du, Valentin Zelenyuk
2024 J jnl
Generalized theory for measuring efficiency of individuals and groups.
Ann. Oper. Res.
Valentin Zelenyuk, Valentyn Panchenko
2024 J jnl
Inference for aggregate efficiency: Theory and guidelines for practitioners.
Eur. J. Oper. Res.
Léopold Simar, Valentin Zelenyuk, Shirong Zhao
2024 J jnl
Russell and slack-based measures of efficiency: A unifying framework.
Eur. J. Oper. Res.
Valentin Zelenyuk, Shirong Zhao
2024 J jnl
Statistical Inference for Aggregation of Malmquist Productivity Indices.
Oper. Res.
Manh D. Pham, Léopold Simar, Valentin Zelenyuk
2022 J jnl
Data sharpening for improving central limit theorem approximations for data envelopment analysis-type efficiency estimators.
Eur. J. Oper. Res.
Bao-Hoang Nguyen, Léopold Simar, Valentin Zelenyuk
2021 J jnl
Sequential data envelopment analysis.
Ann. Oper. Res.
Rolf Färe, Valentin Zelenyuk
2020 J jnl
Aggregation of inputs and outputs prior to Data Envelopment Analysis under big data.
Eur. J. Oper. Res.
Valentin Zelenyuk
2020 J jnl
Improving finite sample approximation by central limit theorems for estimates from Data Envelopment Analysis.
Eur. J. Oper. Res.
Léopold Simar, Valentin Zelenyuk
2019 J jnl
A Unifying Framework for Farrell Profit Efficiency Measurement.
Oper. Res.
Rolf Färe, Xinju He, Sung Ko Li, Valentin Zelenyuk
2019 J jnl
Combining the Virtues of Stochastic Frontier and Data Envelopment Analysis.
Oper. Res.
Christopher F. Parmeter, Valentin Zelenyuk
2019 J jnl
Weak disposability in nonparametric production analysis: A new taxonomy of reference technology sets.
Eur. J. Oper. Res.
Manh D. Pham, Valentin Zelenyuk
2018 J jnl
Central Limit Theorems for Aggregate Efficiency.
Oper. Res.
Léopold Simar, Valentin Zelenyuk
2018 J jnl
Data envelopment analysis, truncated regression and double-bootstrap for panel data with application to Chinese banking.
Eur. J. Oper. Res.
Kai Du, Andrew C. Worthington, Valentin Zelenyuk
2017 J jnl
How relevant is the choice of risk management control variable to non-parametric bank profit efficiency analysis? The case of South Korean banks.
Ann. Oper. Res.
Richard Simper, Maximilian J. B. Hall, Wenbin Liu, Valentin Zelenyuk, Zhongbao Zhou
2017 J jnl
Nonparametric estimation of dynamic discrete choice models for time series data.
Comput. Stat. Data Anal.
Byeong U. Park, Léopold Simar, Valentin Zelenyuk
2016 J jnl
Generalized nonparametric smoothing with mixed discrete and continuous data.
Comput. Stat. Data Anal.
Degui Li, Léopold Simar, Valentin Zelenyuk
2015 J jnl
Aggregation of scale efficiency.
Eur. J. Oper. Res.
Valentin Zelenyuk
2015 J jnl
Decomposing profit efficiency using a slack-based directional distance function.
Eur. J. Oper. Res.
Rolf Färe, Hirofumi Fukuyama, Shawna Grosskopf, Valentin Zelenyuk
2015 J jnl
Pricing of decision-making units under non-constant returns to scale.
J. Oper. Res. Soc.
Rolf Färe, Valentin Zelenyuk
2014 J jnl
Aggregation of Malmquist productivity indexes allowing for reallocation of resources.
Eur. J. Oper. Res.
Andreas Mayer, Valentin Zelenyuk
2014 J jnl
Directional vs. Shephard's distance functions.
Optim. Lett.
Valentin Zelenyuk
2013 J jnl
A scale elasticity measure for directional distance function and its dual: Theory and DEA estimation.
Eur. J. Oper. Res.
Valentin Zelenyuk
2011 J jnl
Aggregation of economic growth rates and of its sources.
Eur. J. Oper. Res.
Valentin Zelenyuk
2009 J jnl
Comparative analysis of banking production frameworks in eastern european financial markets.
Eur. J. Oper. Res.
Karligash Kenjegalieva, Richard Simper, Tom Weyman-Jones, Valentin Zelenyuk
2007 J jnl
Extending Färe and Zelenyuk (2003).
Eur. J. Oper. Res.
Rolf Färe, Valentin Zelenyuk
2006 J jnl
Aggregation of Malmquist productivity indexes.
Eur. J. Oper. Res.
Valentin Zelenyuk
2003 J jnl
On aggregate Farrell efficiencies.
Eur. J. Oper. Res.
Rolf Färe, Valentin Zelenyuk