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The evolution and main determinants of productivity in Brazilian electricity distribution 1998-2005: an empirical analysis

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  • Francisco J. Ramos-Real
  • Beatriz Tovar
  • Mariana Iootty
  • Edmar Fagundes de Almeida
  • Helder Jr. Queiroz Pinto

Abstract

This paper estimates changes in the productivity of the Brazilian electricity distribution sector using Data Envelopment Analysis (DEA) on a panel of 18 firms from 1998-2005. The study decomposes the productivity change of these distribution firms in terms of technical efficiency; scale-efficiency and technical progress. This exercise aims to help the understanding of the main determinants of the evolution of productivity, focusing its relationship with the restructuring process implemented in the 1990s. TFP index records a yearly positive growth rate of 1.3% in the whole period under analysis for all firms. Technical change was the main component behind this evolution, with an average growth of 2.1% per year, while technical efficiency presented a yearly negative performance of -0.8%. The results prove that, in general terms; the incentives generated in the reform process do not seem to have led the firms to behave in a more efficient manner.

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Bibliographic Info

Paper provided by FEDEA in its series Working Papers with number 2008-41.

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Date of creation: Nov 2008
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Handle: RePEc:fda:fdaddt:2008-41

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Citations

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Cited by:
  1. Tooraj Jamasb & Rabindra Nepal & Govinda Timilsina & Michael Toman, 2014. "Energy Sector Reform, Economic Efficiency and Poverty Reduction," Discussion Papers Series 529, School of Economics, University of Queensland, Australia.
  2. Losekann, Luciano & Marrero, Gustavo A. & Ramos-Real, Francisco J. & de Almeida, Edmar Luiz Fagundes, 2013. "Efficient power generating portfolio in Brazil: Conciliating cost, emissions and risk," Energy Policy, Elsevier, Elsevier, vol. 62(C), pages 301-314.
  3. Tovar, Beatriz & Javier Ramos-Real, Francisco & de Almeida, Edmar Fagundes, 2011. "Firm size and productivity. Evidence from the electricity distribution industry in Brazil," Energy Policy, Elsevier, Elsevier, vol. 39(2), pages 826-833, February.
  4. Chiu, Ching-Ren & Liou, Je-Liang & Wu, Pei-Ing & Fang, Chen-Ling, 2012. "Decomposition of the environmental inefficiency of the meta-frontier with undesirable output," Energy Economics, Elsevier, Elsevier, vol. 34(5), pages 1392-1399.
  5. Gervásio F. Santos & Eduardo A. Haddad, Geoffrey J. D. Hewings, 2011. "Energy Policy and Regional Inequalities in the Brazilian Economy," Working Papers, Department of Economics, University of São Paulo (FEA-USP) 2011_09, University of São Paulo (FEA-USP).
  6. Jinchao Li & Jinying Li & Fengting Zheng, 2014. "Unified Efficiency Measurement of Electric Power Supply Companies in China," Sustainability, MDPI, Open Access Journal, vol. 6(2), pages 779-793, February.
  7. Sueyoshi, Toshiyuki & Goto, Mika & Shang, Jennifer, 2009. "Core business concentration vs. corporate diversification in the US electric utility industry: Synergy and deregulation effects," Energy Policy, Elsevier, Elsevier, vol. 37(11), pages 4583-4594, November.
  8. Pompei, Fabrizio, 2013. "Heterogeneous effects of regulation on the efficiency of the electricity industry across European Union countries," Energy Economics, Elsevier, Elsevier, vol. 40(C), pages 569-585.
  9. Fang, Hong & Wu, Junjie & Zeng, Catherine, 2009. "Comparative study on efficiency performance of listed coal mining companies in China and the US," Energy Policy, Elsevier, Elsevier, vol. 37(12), pages 5140-5148, December.
  10. Assaf, A. George & Barros, Carlos Pestana & Managi, Shunsuke, 2011. "Cost efficiency of Japanese steam power generation companies: A Bayesian comparison of random and fixed frontier models," Applied Energy, Elsevier, Elsevier, vol. 88(4), pages 1441-1446, April.

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