Network DEA Models for Assessing Urban Water Utility Efficiency (Research Paper)

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Network DEA Models for Assessing Urban Water Utility Efficiency (Research Paper)

Authors:

Dickson K. Gidion, Jin Hong, Magdalene Z. A. Adams, Mohammad Khoveynic

Abstract : 

Urban water utilities (UWUs) operate in environments without competitors; regulators use targets to monitor UWU operations, with the expectation that the current year's performance should be equal to or better than the previous year's performance. This paper presents a performance analysis of UWUs using data envelopment analysis (DEA). Standard DEA for relative performance evaluation has shortcomings and does not allow for setting clear improvement guidelines. For this reason, network DEA models are proposed to overcome the problem. This novel benchmarking technique produces an efficiency value for a UWU in a competitive scenario with other UWUs. The technique allows decision-makers to sort out UWUs with the best and worst management environments and set clear performance improvement guidelines.

Keywords : 

Network DEA models, Cross-utility and cross-national border, efficiency assessment, Water supply, utility regulation, Yardstick competition

Citation:

Utilities Policy, Volume 57, April 2019, Pages 48-58, DOI: 10.1016/j.jup.2019.02.001

This article is published by Elsevier Ltd. All rights reserved. Find it on Science Direct

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