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A meta-regression analysis of benchmarking studies on water utilities market structure

Pedro Carvalho, Rc Marques () and Sanford Berg

Utilities Policy, 2012, vol. 21, issue C, 40-49

Abstract: This paper updates the literature on water utility benchmarking studies developed worldwide, focusing on scale and scope economies. Using meta-regression analysis, the study investigates which variables from published studies influence these economies. Our analysis yields several conclusions. The results indicate that there is a higher probability of finding diseconomies of scale and scope in large utilities; however, only the results for scale economies are significant. Diseconomies of scale and scope are more likely to be found in publicly-owned utilities than when the ownership is private; as would be expected, multi-utilities are more likely to have scale and scope economies.

Keywords: Scale economies; Scope economies; Meta-regression analysis; Water utilities (search for similar items in EconPapers)
Date: 2012
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