Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/43267
Title: The evolution and main determinants of productivity in Brazilian electricity distribution 1998-2005: an empirical analysis
Authors: Ramos-Real, Francisco Javier
Tovar de la Fe, Beatriz Erasmi 
Iootty, Mariana
Almeida, Edmar Fagundes de
Pinto, Helder Queiroz
UNESCO Clasification: 531205 Energía
Keywords: Electricidad
Brasil
Issue Date: 2009
Publisher: 0140-9883
Journal: Energy Economics 
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.
URI: http://hdl.handle.net/10553/43267
ISSN: 0140-9883
DOI: 10.1016/j.eneco.2008.11.002
Source: Energy Economics[ISSN 0140-9883],v. 31 (2), p. 298-305
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