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Measuring and comparing the efficiency of water utility companies: A data envelopment analysis approach

Giulia Romano () and Andrea Guerrini

Utilities Policy, 2011, vol. 19, issue 3, 202-209

Abstract: This study provides an analysis of Italian water utilities to determine the effects on their efficiency of certain relevant variables that have been broadly discussed in the existing literature. We reviewed the annual financial statements of 43 Italian water utility companies and obtained other technical data from Co.n.vi.r.i., the Italian national authority for water. Using data envelopment analysis we assessed their cost efficiencies and, using non-parametric statistic methods, we discuss the significant differences among clusters.

Keywords: Water utilities; Data envelopment analysis; Cost efficiency; Ownership; Economies of scale (search for similar items in EconPapers)
Date: 2011
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