World's Best Scientists 2026 revealed!

D-Index & Metrics

Economics and Finance

D-Index
33
Citations
4114
World Ranking
3305
National Ranking
92

Best Publications

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

    Valentin Zelenyuk;Vitaliy Zheka

  • On Testing Equality of Distributions of Technical Efficiency Scores

    Léopold Simar;Valentin Zelenyuk

  • On aggregate Farrell efficiencies

    Rolf Färe;Valentin Zelenyuk

  • Stochastic FDH/DEA estimators for frontier analysis

    Léopold Simar;Léopold Simar;Valentin Zelenyuk

  • Measurement of Productivity and Efficiency

    Robin C. Sickles;Valentin Zelenyuk

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

    Hedayet Chowdhury;Valentin Zelenyuk

  • 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

  • Aggregation of Malmquist productivity indexes

    Valentin Zelenyuk

  • Statistical inference for aggregates of Farrell-type efficiencies

    Léopold Simar;Valentin Zelenyuk

  • Nonparametric Least Squares Methods for Stochastic Frontier Models

    Léopold Simar;Ingrid Van Keilegom;Valentin Zelenyuk

  • 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

  • Testing for (Efficiency) Catching-up

    Daniel J. Henderson;Valentin Zelenyuk

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

    Oleg Badunenko;Daniel J. Henderson;Valentin Zelenyuk

  • Stochastic Frontier Analysis: Foundations and Advances II

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

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

    Byeong U. Park;Léopold Simar;Valentin Zelenyuk

  • Measuring potential gains from reallocation of resources

    Vladimir Nesterenko;Valentin Zelenyuk

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

    Kai Du;Andrew C. Worthington;Valentin Zelenyuk

  • Stochastic Frontier Analysis: Foundations and Advances I

    Unknown

  • Aggregation bias and its bounds in measuring technical efficiency

    Rolf Färe;Shawna Grosskopf;Valentin Zelenyuk

  • Measurement of Productivity and Efficiency: Theory and Practice

    Robin C. Sickles;Valentin Zelenyuk

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