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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.

Suggested Citation

  • Francisco J. Ramos-Real & Beatriz Tovar & Mariana Iootty & Edmar Fagundes de Almeida & Helder Jr. Queiroz Pinto, 2008. "The evolution and main determinants of productivity in Brazilian electricity distribution 1998-2005: an empirical analysis," Working Papers 2008-41, FEDEA.
  • Handle: RePEc:fda:fdaddt:2008-41
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    Cited by:

    1. 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.
    2. Sueyoshi, Toshiyuki & Yuan, Yan & Goto, Mika, 2017. "A literature study for DEA applied to energy and environment," Energy Economics, Elsevier, vol. 62(C), pages 104-124.
    3. repec:aen:journl:ej38-3-jamasb is not listed on IDEAS
    4. Dimitri Dimitropoulos and Adonis Yatchew, 2017. "Is Productivity Growth in Electricity Distribution Negative? An Empirical Analysis Using Ontario Data," The Energy Journal, International Association for Energy Economics, vol. 0(Number 2).
    5. 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.
    6. repec:eee:enepol:v:111:y:2017:i:c:p:41-51 is not listed on IDEAS
    7. Goncharuk, Anatoliy G. & Storto, Corrado lo, 2017. "Challenges and policy implications of gas reform in Italy and Ukraine: Evidence from a benchmarking analysis," Energy Policy, Elsevier, vol. 101(C), pages 456-466.
    8. 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, vol. 62(C), pages 301-314.
    9. 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.
    10. Daglish, Toby & de Braganca, Gabriel & Owen, Sally & Romano, Teresa, 2015. "Electricity Market Operation: Transitioning from a Free Market to a Single Buyer structure: An econometric analysis of the Brazilian case using a Two-State Markov Switching Model," Working Paper Series 4181, Victoria University of Wellington, The New Zealand Institute for the Study of Competition and Regulation.
    11. 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.
    12. 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 1-15, February.
    13. 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.
    14. 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.
    15. Jamasb,Tooraj & Nepal,Rabindra & Timilsina,Govinda R., 2015. "A quarter century effort yet to come of age : a survey of power sector reforms in developing countries," Policy Research Working Paper Series 7330, The World Bank.
    16. Santos, Gervasio F. & Haddad, Eduardo A. & Hewings, Geoffrey J.D., 2013. "Energy policy and regional inequalities in the Brazilian economy," Energy Economics, Elsevier, vol. 36(C), pages 241-255.
    17. de Oliveira, Francisco Alexandre & de Paiva, Anderson Paulo & Lima, José Wanderley Marangon & Balestrassi, Pedro Paulo & Mendes, Ronã Rinston Amaury, 2011. "Portfolio optimization using Mixture Design of Experiments: Scheduling trades within electricity markets," Energy Economics, Elsevier, vol. 33(1), pages 24-32, January.
    18. 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.
    19. Machado, Mauricio Marins & de Sousa, Maria Conceição Sampaio & Hewings, Geoffrey, 2016. "Economies of scale and technological progress in electric power production: The case of Brazilian utilities," Energy Economics, Elsevier, vol. 59(C), pages 290-299.

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