Valentin Zelenyuk

Best Publications

• Corporate governance and firm's efficiency: the case of a transitional country, Ukraine ∗

  Valentin Zelenyuk;Vitaliy Zheka

  286
  Citations

• On Testing Equality of Distributions of Technical Efficiency Scores

  Léopold Simar;Valentin Zelenyuk

  283
  Citations

• On aggregate Farrell efficiencies

  Rolf Färe;Valentin Zelenyuk

  241
  Citations

• Stochastic FDH/DEA estimators for frontier analysis

  Léopold Simar;Léopold Simar;Valentin Zelenyuk

  226
  Citations

• Measurement of Productivity and Efficiency

  Robin C. Sickles;Valentin Zelenyuk

  203
  Citations

• Performance of hospital services in Ontario: DEA with truncated regression approach

  Hedayet Chowdhury;Valentin Zelenyuk

  185
  Citations

• Foreign bank diversification and efficiency prior to and during the financial crisis: Does one business model fit all?

  Claudia Curi;Ana Lozano-Vivas;Valentin Zelenyuk

  159
  Citations

• Aggregation of Malmquist productivity indexes

  Valentin Zelenyuk

  136
  Citations

• Statistical inference for aggregates of Farrell-type efficiencies

  Léopold Simar;Valentin Zelenyuk

  120
  Citations

• Nonparametric Least Squares Methods for Stochastic Frontier Models

  Léopold Simar;Ingrid Van Keilegom;Valentin Zelenyuk

  106
  Citations

• Analysis of productivity, efficiency and technological changes in hospital services in Ontario: how does case-mix matter?

  Hedayet Chowdhury;Valentin Zelenyuk;Audrey Laporte;Walter P. Wodchis

  97
  Citations

• Testing for (Efficiency) Catching-up

  Daniel J. Henderson;Valentin Zelenyuk

  96
  Citations

• Technological Change and Transition: Relative Contributions to Worldwide Growth During the 1990s*

  Oleg Badunenko;Daniel J. Henderson;Valentin Zelenyuk

  88
  Citations

• Stochastic Frontier Analysis: Foundations and Advances II

  Subal C. Kumbhakar;Christopher F. Parmeter;Valentin Zelenyuk

  79
  Citations

• Local likelihood estimation of truncated regression and its partial derivatives: Theory and application

  Byeong U. Park;Léopold Simar;Valentin Zelenyuk

  77
  Citations

• Measuring potential gains from reallocation of resources

  Vladimir Nesterenko;Valentin Zelenyuk

  77
  Citations

• Data envelopment analysis, truncated regression and double-bootstrap for panel data with application to Chinese banking

  Kai Du;Andrew C. Worthington;Valentin Zelenyuk

  71
  Citations

• Stochastic Frontier Analysis: Foundations and Advances I

  Unknown

  70
  Citations

• Aggregation bias and its bounds in measuring technical efficiency

  Rolf Färe;Shawna Grosskopf;Valentin Zelenyuk

  65
  Citations

• Measurement of Productivity and Efficiency: Theory and Practice

  Robin C. Sickles;Valentin Zelenyuk

  53
  Citations