Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 31 checked references that resolve
resolves10.1287/mnsc.30.9.1078Some Models for Estimating Technical and Scale Inefficiencies in Data Envelopment Analysis
resolves10.1016/s0957-1787(98)00007-1Regression versus data envelopment analysis for efficiency measurement: an application to the England and Wales regulated water industry
resolves10.1007/s11123-005-3042-8Introducing Environmental Variables in Nonparametric Frontier Models: a Probabilistic Approach
resolves10.2139/ssrn.1038441Mean and Bold? On Separating Merger Economies from Structural Efficiency Gains in the Drinking Water Sector
resolves10.2307/1907343Annual Survey of Economic Theory: The Theory of Monopoly
resolves10.1029/93wr00285Ownership and sources of inefficiency in the provision of water services
resolves10.1287/mnsc.44.1.49Sensitivity Analysis of Efficiency Scores: How to Bootstrap in Nonparametric Frontier Models
resolves10.1007/bf00162048Slack-adjusted efficiency measures and ranking of efficient units
resolves10.1016/j.jup.2003.11.001Efficiency and regulatory issues in the Brazilian water and sewage sector: an empirical study
resolves10.1023/A:1018395303580The Effect of Sample Size on the Mean Efficiency in DEA with an Application to Electricity Distribution in Australia, Sweden and New Zealand
The 27 references without a DOI — listed, not checked
no DOI — not checkedref1
no DOI — not checkedEvolution of water ?rms performance in providing water services in Sicily
no DOI — not checkedA framework for evaluating quality level of standardised public services: an application to Italian water supply service
no DOI — not checkedAn introduction to data envelopment analysis with some of its models and their uses
no DOI — not checkedref10
no DOI — not checkedThe measurement of comparative total e� ciency in the sewerage and water industry: an exploratory study
no DOI — not checkedref12
no DOI — not checkedref19
no DOI — not checkedE� ci�ntieprikkels in de drinkwatersector
no DOI — not checkedref22
no DOI — not checkedref23
no DOI — not checkedref24
no DOI — not checkedref30
no DOI — not checkedThe privatisation debate on water services in the Netherlands. An examination of the public duty of the Dutch water sector and the implications of market forces and water chain cooperation
no DOI — not checkedref33
no DOI — not checkedAllocative e� ciency vs
no DOI — not checkedref36
no DOI — not checkedUK water privatisation -a brie?ng
no DOI — not checkedBenchmarking the economic performance of Australian urban water utilities, Urban Water Research Association of Australia (UWRAA)
no DOI — not checkedref39
no DOI — not checkedref41
no DOI — not checkedTechnical e� ciency of the water and sewerage services. An empirical study
no DOI — not checkedref43
no DOI — not checkedref44
no DOI — not checkedStatistical inference in nonparametric frontier models: recent developments and perspectives
no DOI — not checkedref55
no DOI — not checkedBenchmarking water utilities' performance using data envelopment analysis
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