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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/418

Title: Stochastic non-parametric efficiency measurement and yardstick competition in electricity regulation
Authors: Weyman-Jones, Thomas G.
Keywords: yardstick competition
price cap regulation
stochastic DEA
electricity distribution
Issue Date: 2001
Abstract: Stochastic non-parametric efficiency measurement constructs production or cost frontiers that incorporate both inefficiency and stochastic error. This results in a closer envelopment of the mean performance of the companies in the sample and diminishes the effect of extreme outliers. This paper uses the Land, Lovell and Thore (1993) model incorporating information on the covariance structure of inputs and outputs to study efficiency across a panel of 14 electricity distribution companies in the UK during the 1990s. The purpose is to revisit the 1999 distribution price control review carried out by the UK regulator. The regulator’s benchmarking is contrasted with the stochastic nonparametric efficiency results and with other comparative efficiency models offering close envelopment of the data. Some conclusions are offered about the possible regulated price effects in the UK case.
Description: Economics Research Paper, no.01-03
URI: https://dspace.lboro.ac.uk/2134/418
Appears in Collections:Working Papers (Economics)

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