Cost efficiency in the UK water and sewerage industry

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The paper quantifies the relative efficiency of the ten privatized water and sewerage companies between 1987 and 1997. A one-component fixed-effects panel data model is used to estimate a cost function from which distribution-free firm-specific estimates of operational cost efficiency are derived. The study differs from previous
studies through the use of differing econometric techniques and by considering the
water and sewerage companies as integrated firms. Overall, a moderate level of
dispersion in operational cost efficiency is recorded.
Original languageEnglish
Pages (from-to)455-458
Number of pages4
JournalApplied Economics Letters
Volume7
Issue number7
DOIs
Publication statusPublished - Jul 2000
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