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From Transition to Competition: Dynamic Efficiency Analysis of Polish Electricity Distribution Companies

  • Astrid Cullmann
  • Christian von Hirschhausen

In this paper we test the hypothesis that the economic transition toward a market economy increases the efficiency of firms. We study 32 Polish electricity distribution companies between 1997-2002, by applying common benchmarking methods to the panel: the nonparametric data envelopment analysis (DEA), the free disposal hull (FDH), and, as a parametric approach, the stochastic frontier analysis (SFA). We then measure and decompose productivity change with Malmquist indices. We find that the technical efficiency of the companies has indeed increased during the transition, while allocative efficiency has deteriorated. We also find significantly increasing returns to scale, suggesting that the regulatory authority should allow companies to merge into larger units.

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File URL: http://www.diw.de/documents/publikationen/73/diw_01.c.61927.de/dp716.pdf
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Paper provided by DIW Berlin, German Institute for Economic Research in its series Discussion Papers of DIW Berlin with number 716.

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Length: 39 p.
Date of creation: 2007
Date of revision:
Handle: RePEc:diw:diwwpp:dp716
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  1. Astrid Cullmann & Christian Hirschhausen, 2008. "Efficiency analysis of East European electricity distribution in transition: legacy of the past?," Journal of Productivity Analysis, Springer, vol. 29(2), pages 155-167, April.
  2. Mehdi Farsi & Massimo Filippini & Michael Kuenzle, 2004. "Cost Efficiency in Regional Bus Companies: An Application of Alternative Stochastic Frontier Models," CEPE Working paper series 04-33, CEPE Center for Energy Policy and Economics, ETH Zurich.
  3. Simar, L. & Wilson, P.W., . "Sensitivity analysis of efficiency scores: how to bootstrap in nonparametric frontier models," CORE Discussion Papers RP -1304, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  4. DEPRINS, Dominique & SIMAR, Léopold & TULKENS, Henry, . "Measuring labor-efficiency in post offices," CORE Discussion Papers RP -571, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  5. Antonio Estache & MartÌn A. Rossi & Christian A. Ruzzier, 2004. "The Case for International Coordination of Electricity Regulation: Evidence from the Measurement of Efficiency in South America," Journal of Regulatory Economics, Springer, vol. 25(3), pages 271-295, 05.
  6. Jon Stern & Junior R. Davis, 1998. "Economic reform of the electricity industries of Central and Eastern Europe," The Economics of Transition, The European Bank for Reconstruction and Development, vol. 6(2), pages 427-460, November.
  7. Paul W. Bauer & Allen N. Berger & Gary D. Ferrier & David B. Humphrey, 1997. "Consistency conditions for regulatory analysis of financial institutions: a comparison of frontier efficiency methods," Finance and Economics Discussion Series 1997-50, Board of Governors of the Federal Reserve System (U.S.).
  8. Jon Stern, 1994. "Economic regulation in Central and Eastern Europe 1," The Economics of Transition, The European Bank for Reconstruction and Development, vol. 2(3), pages 391-398, 09.
  9. Michael Funke & Jörg Rahn, 2000. "How Efficient is the East German Economy? An Exploration With Micro Data," CESifo Working Paper Series 397, CESifo Group Munich.
  10. William Greene, 2002. "Fixed and Random Effects in Stochastic Frontier Models," Working Papers 02-16, New York University, Leonard N. Stern School of Business, Department of Economics.
  11. Jamasb, T. & Pollitt, M., 2000. "Benchmarking and regulation: international electricity experience," Utilities Policy, Elsevier, vol. 9(3), pages 107-130, September.
  12. von Hirschhausen, Christian R. & Cullmann, Astrid, 2005. "Efficiency Analysis of German Electricity Distribution Utilities : Non-Parametric and Parametric Tests," Dresden Discussion Paper Series in Economics 06/05, Dresden University of Technology, Faculty of Business and Economics, Department of Economics.
  13. David M. Newbery, 1994. "Restructuring and privatizing electric utilities in Eastern Europe," The Economics of Transition, The European Bank for Reconstruction and Development, vol. 2(3), pages 291-316, 09.
  14. Battese, G E & Coelli, T J, 1995. "A Model for Technical Inefficiency Effects in a Stochastic Frontier Production Function for Panel Data," Empirical Economics, Springer, vol. 20(2), pages 325-32.
  15. László Halpern & Gábor Körösi, 2001. "Efficiency and market share in the Hungarian corporate sector," The Economics of Transition, The European Bank for Reconstruction and Development, vol. 9(3), pages 559-592, November.
  16. Mehdi Farsi & Massimo Filippini, 2003. "Regulation and Measuring Cost Efficiency with Panel Data Models: Application to Electricity Distribution Utilities," CEPE Working paper series 03-19, CEPE Center for Energy Policy and Economics, ETH Zurich.
  17. Brada, Josef C & King, Arthur E & Ma, Chia Ying, 1997. "Industrial Economics of the Transition: Determinants of Enterprise Efficiency in Czechoslovakia and Hungary," Oxford Economic Papers, Oxford University Press, vol. 49(1), pages 104-27, January.
  18. David C. Wheelock & Paul Wilson, 2003. "Robust nonparametric estimation of efficiency and technical change in U.S. commercial banking," Working Papers 2003-037, Federal Reserve Bank of St. Louis.
  19. Piesse, Jenifer & Thirtle, Colin, 2000. "A Stochastic Frontier Approach to Firm Level Efficiency, Technological Change, and Productivity during the Early Transition in Hungary," Journal of Comparative Economics, Elsevier, vol. 28(3), pages 473-501, September.
  20. Cazals, Catherine & Florens, Jean-Pierre & Simar, Leopold, 2002. "Nonparametric frontier estimation: a robust approach," Journal of Econometrics, Elsevier, vol. 106(1), pages 1-25, January.
  21. Osiewalski, J. & Koop, G. & Steel, M.F.J., 1997. "A Stochastic Frontier Analysis of Output Level and Growth in Poland and Western Economies," Discussion Paper 1997-85, Tilburg University, Center for Economic Research.
  22. Wilson, Paul W, 1993. "Detecting Outliers in Deterministic Nonparametric Frontier Models with Multiple Outputs," Journal of Business & Economic Statistics, American Statistical Association, vol. 11(3), pages 319-23, July.
  23. Aigner, Dennis & Lovell, C. A. Knox & Schmidt, Peter, 1977. "Formulation and estimation of stochastic frontier production function models," Journal of Econometrics, Elsevier, vol. 6(1), pages 21-37, July.
  24. Jones, Derek & Klinedinst, Mark & Rock, Charles, 1998. "Productive Efficiency during Transition: Evidence from Bulgarian Panel Data," Journal of Comparative Economics, Elsevier, vol. 26(3), pages 446-464, September.
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