A Benchmarking Analysis of Electricity Distribution Utilities in Switzerland

Mehdi Farsi and Massimo Filippini

No 05-43, CEPE Working paper series from CEPE Center for Energy Policy and Economics, ETH Zurich

Abstract: This paper studies the sensitivity problems of the benchmarking methods used in the regulation practice. Three commonly used methods have been applied to a sample of 52 electricity distribution utilities to estimate their cost efficiency. These methods include stochastic frontier, corrected ordinary least squares and data envelopment analysis. The results indicate that both efficiency scores and ranks are significantly different across various models. Especially considerable differences exist between parametric and non-parametric methods.

Pages: 17 pages
Date: 2005-06
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Citations: View citations in EconPapers (15)

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