Drivers of productivity change: a comparison of English and Welsh water only and water and sewerage companies

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dc.contributor.authorMaziotis, Alexandros
dc.contributor.authorMolinos-Senante, Maria
dc.contributor.authorSala-Garrido, Ramon
dc.date.accessioned2025-01-20T23:51:10Z
dc.date.available2025-01-20T23:51:10Z
dc.date.issued2021
dc.description.abstractIn regulated industries, such as the water industry, it is of great significance to estimate productivity change as it helps policy makers to evaluate the effectiveness of regulatory regime and industry performance. In this paper, and for the first time, a translog input distance function was used to estimate and decompose productivity change into several components such as technical efficiency change, scale efficiency change, input-mix, and technical change. A further decomposition of technical change into neutral, output- and input-induced shifts of the frontier is provided. The above decomposition was applied to the English and Welsh water and sewerage companies and water only companies over the years 1993-2016. The results indicated that over the entire period water industry's productivity increased by 9% per year, mainly due to scale efficiency change, input mix and technical change. On average water only companies reported higher productivity gains than water and sewerage companies.
dc.fuente.origenWOS
dc.identifier.doi10.1080/1573062X.2021.1893355
dc.identifier.eissn1744-9006
dc.identifier.issn1573-062X
dc.identifier.urihttps://doi.org/10.1080/1573062X.2021.1893355
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/94782
dc.identifier.wosidWOS:000640632200001
dc.issue.numero5
dc.language.isoen
dc.pagina.final351
dc.pagina.inicio342
dc.revistaUrban water journal
dc.rightsacceso restringido
dc.subjectPerformance
dc.subjectinput distance function
dc.subjectstochastic frontier analysis
dc.subjectregulation
dc.subjectwater industry
dc.subjecturban water cycle
dc.subject.ods09 Industry, Innovation and Infrastructure
dc.subject.odspa09 Industria, innovación e infraestructura
dc.titleDrivers of productivity change: a comparison of English and Welsh water only and water and sewerage companies
dc.typeartículo
dc.volumen18
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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