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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. 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.
  3. 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.
  4. 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.
  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. Paul W. Wilson & David C. Wheelock, 2004. "Robust Nonparametric Estimation of Efficiency and Technical Change in U.S. Commercial Banking," Econometric Society 2004 North American Summer Meetings 433, Econometric Society.
  7. 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.
  8. Jamasb, T. & Pollitt, M., 2000. "Benchmarking and regulation: international electricity experience," Utilities Policy, Elsevier, vol. 9(3), pages 107-130, September.
  9. 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.
  10. 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.
  11. repec:cor:louvrp:-571 is not listed on IDEAS
  12. 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.
  13. Mehdi Farsi & Massimo Filippini & Michael Kuenzle, 2006. "Cost Efficiency in Regional Bus Companies: An Application of Alternative Stochastic Frontier Models," Journal of Transport Economics and Policy, University of Bath, vol. 40(1), pages 95-118, January.
  14. 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.
  15. 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.
  16. 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.
  17. 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.
  18. Halpern, László & Kõrösi, Gábor, 2000. "Efficiency and Market Share in the Hungarian Corporate Sector," CEPR Discussion Papers 2544, C.E.P.R. Discussion Papers.
  19. Bauer, Paul W. & Berger, Allen N. & Ferrier, Gary D. & Humphrey, David B., 1998. "Consistency Conditions for Regulatory Analysis of Financial Institutions: A Comparison of Frontier Efficiency Methods," Journal of Economics and Business, Elsevier, vol. 50(2), pages 85-114, March.
  20. 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.
  21. 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.
  22. 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).
  23. 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.
  24. 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.
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