Benchmarking the efficiency of water and sewerage companies: Application of the stochastic non-parametric envelopment of data (stoned) method

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dc.contributor.authorMolinos-Senante, Maria
dc.contributor.authorMaziotis, Alexandros
dc.date.accessioned2025-01-20T22:07:14Z
dc.date.available2025-01-20T22:07:14Z
dc.date.issued2021
dc.description.abstractMany regulators employ frontier techniques to measure the performance of regulated monopolistic companies. This study estimates the cost efficiency of the water sector using the stochastic non-parametric envelopment of data (StoNED) method which brings together the qualities of both data envelopment analysis (DEA) and stochastic frontier analysis (SFA). This technique is applied to several Chilean private and public water companies without and with the inclusion of several environmental variables. The results indicated that the water industry demonstrated high levels of cost efficiency. Based on average results, it appeared that the public water company performed slightly better than private ones, with full private water companies being more efficient than concessionary. However, the analysis of the trend in companies' efficiency revealed that full private water companies' efficiency increased over the years 2010-2018, whereas the opposite was true for the public water company. It is also found that environmental variables might have a higher impact on public water company costs and inefficiency than private ones.
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.eswa.2021.115711
dc.identifier.eissn1873-6793
dc.identifier.issn0957-4174
dc.identifier.urihttps://doi.org/10.1016/j.eswa.2021.115711
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/94234
dc.identifier.wosidWOS:000703901600006
dc.language.isoen
dc.revistaExpert systems with applications
dc.rightsacceso restringido
dc.subjectEnvironmental variables
dc.subjectEfficiency
dc.subjectFrontier estimation
dc.subjectNon-parametric analysis
dc.subjectRegulation
dc.subjectWater industry
dc.subject.ods09 Industry, Innovation and Infrastructure
dc.subject.odspa09 Industria, innovación e infraestructura
dc.titleBenchmarking the efficiency of water and sewerage companies: Application of the stochastic non-parametric envelopment of data (stoned) method
dc.typeartículo
dc.volumen186
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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