Valentin Zelenyuk

Valentin Zelenyuk publication distribution in Economics and Finance in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Economics and Finance in 2026. The highlighted bar marks where Valentin Zelenyuk sits on this spectrum.

Valentin Zelenyuk D-index placement in Economics and Finance in 2026

The chart shows the D-index (discipline H-index) distribution of Economics and Finance scientists ranked by Research.com in 2026. The highlighted bar marks where Valentin Zelenyuk sits on this spectrum.

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