Quality of Supply and Efficiency: An Analysis of Portuguese Electricity Distribution Networks

Thomas Weyman-Jones, Júlia Mendonça Boucinha and Catarina Féteira Inácio

Sosyoekonomi Journal, 2010, issue 2010-EN

Abstract: Efficiency and productivity analysis is a standard part of the tool-box of electricity and gas network regulators. In this paper the data envelopment analysis approach to benchmarking the performance of electricity networks is applied to a group of regional networks which differ in the quality of supply measured by, for example, interruptions. We show that efficiency comparisons differ when quality of supply is allowed for. We extend the efficiency comparisons to construct quality-adjusted Malmquist productivity indices in a manner which can be employed in both intra-firm management review and in regulatory benchmarking.

Keywords: Regulation and Industrial Policy; Electricity Distribution; Supply Quality. (search for similar items in EconPapers)
JEL-codes: L15 L51 L94 (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (1)

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