Evaluating water supply services in Japan with RAM: A range-adjusted measure of inefficiency

Kazuo Aida; William W. Cooper; Jésus T. Pastor; Toshiyuki Sueyoshi

doi:10.1016/S0305-0483(97)00072-8

Evaluating water supply services in Japan with RAM: A range-adjusted measure of inefficiency

Kazuo Aida, William W. Cooper, Jésus T. Pastor, Toshiyuki Sueyoshi

Faculty of Policy Management

Research output: Contribution to journal › Article

105 Citations (Scopus)

Abstract

A range-adjusted measure (RAM) of efficiency, as recently developed in data envelopment analysis (DEA), is used to evaluate the performance of entities that supply water services in Japan. Its robustness properties are tested and pointed up for uses in improved accountability, and are further pointed up in terms of the potential for help in conducting performance and efficiency audits. The results from DEA are also joined with the Mann-Whitney rank order statistic to show how the two techniques may be jointly used in addressing issues of general policy. The Kanto Region and Kanagawa Prefecture in Japan are used for an illustration.

Original language	English
Pages (from-to)	207-232
Number of pages	26
Journal	Omega
Volume	26
Issue number	2
DOIs	https://doi.org/10.1016/S0305-0483(97)00072-8
Publication status	Published - 1998 Jan 1

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Keywords

Data envelopment analysis
Efficiency and performance audits
Efficiency measurement

ASJC Scopus subject areas

Strategy and Management
Management Science and Operations Research
Information Systems and Management

Cite this

Aida, K., Cooper, W. W., Pastor, J. T., & Sueyoshi, T. (1998). Evaluating water supply services in Japan with RAM: A range-adjusted measure of inefficiency. Omega, 26(2), 207-232. https://doi.org/10.1016/S0305-0483(97)00072-8

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10.1016/S0305-0483(97)00072-8