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Productivity evolution and Scale effects in Brazilian Electricity Distribution Industry. Evidence from 1998-2005 period


  • Beatriz Tovar
  • Francisco Javier Ramos-Real
  • Edmar Fagundes de Almeida


This paper estimates the productivity evolution of the Brazilian electricity distribution industry decomposing it in terms of technical efficiency, scale-efficiency and technical change. This exercise aims to understand one important issue that has not been analyzed in previous papers, that is the impact of firm’s size in efficiency and productivity evolution. It employs stochastic frontier analysis on a panel of 18 Brazilian firms from 1998-2005. The results allow us to conclude that company size is an important issue in the evolution of the industry’s productivity and, therefore, a key aspect to consider when making decisions affecting the organization and composition of electricity distribution.

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  • Beatriz Tovar & Francisco Javier Ramos-Real & Edmar Fagundes de Almeida, 2009. "Productivity evolution and Scale effects in Brazilian Electricity Distribution Industry. Evidence from 1998-2005 period," Economic Reports 04-09, FEDEA.
  • Handle: RePEc:fda:fdacee:04-09

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    Cited by:

    1. 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.

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