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

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

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 to 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

Article provided by Elsevier in its journal Energy Economics.

Volume (Year): 31 (2009)
Issue (Month): 2 (March)
Pages: 298-305

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Handle: RePEc:eee:eneeco:v:31:y:2009:i:2:p:298-305

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Web page: http://www.elsevier.com/locate/eneco

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Keywords: Electricity distribution Productivity decomposition Brazil L94;

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Citations

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Cited by:
  1. 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, vol. 37(12), pages 5140-5148, December.
  2. 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, vol. 39(2), pages 826-833, February.
  3. Edmar Luiz Fagundes De Almeida & Luciano Losekann & Gustavo Marreiro & Francisco Javier Ramos-Real, 2014. "Efficient Power Generating Portfolio Inbrazil: Conciliating Cost, Emissions And Risk," Anais do XL Encontro Nacional de Economia [Proceedings of the 40th Brazilian Economics Meeting] 134, ANPEC - Associação Nacional dos Centros de Pósgraduação em Economia [Brazilian Association of Graduate Programs in Economics].
  4. Gervasio Ferreira Dos Santos & Eduardo A. Haddad & Geoffrey J. D. Hewings, 2011. "Energy Policy And Regional Inequalitiesin The Brasilian Economy," Anais do XXXVIII Encontro Nacional de Economia [Proceedings of the 38th Brazilian Economics Meeting] 091, ANPEC - Associação Nacional dos Centros de Pósgraduação em Economia [Brazilian Association of Graduate Programs in Economics].
  5. 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.
  6. Pompei, Fabrizio, 2013. "Heterogeneous effects of regulation on the efficiency of the electricity industry across European Union countries," Energy Economics, Elsevier, vol. 40(C), pages 569-585.
  7. 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, vol. 34(5), pages 1392-1399.
  8. 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, vol. 37(11), pages 4583-4594, November.
  9. 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, vol. 88(4), pages 1441-1446, April.

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