Please use this identifier to cite or link to this item: https://hdl.handle.net/11000/4940
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dc.contributor.authorAparicio Baeza, Juan-
dc.contributor.authorZofío, José L.-
dc.contributor.otherDepartamentos de la UMH::Estadística, Matemáticas e Informáticaes
dc.date.accessioned2018-12-18T12:05:09Z-
dc.date.available2018-12-18T12:05:09Z-
dc.date.created2018-08-18-
dc.date.issued2018-12-18-
dc.identifier.issn0895-562X-
dc.identifier.issn153-0441-
dc.identifier.urihttp://hdl.handle.net/11000/4940-
dc.description.abstractIn the early 1980’s Koop and Diewert proposed the decomposition of cost efficiency into allocative and technical efficiency for parametric functional forms based on the radial approach initiated by Farrell. We show that such approach is only valid for homothetic technologies where the radial distance function can be correctly interpreted as a technical efficiency measure since allocative efficiency is independent of the output level and radial input reductions leave it unchanged. For the general case of non-homothetic technologies where optimal input demands depend on the output targeted by the firm, as does the inequality between marginal rates of substitution and market pricesallocative inefficiency, we show that the correct definition of technical efficiency corresponds to the directional distance function. Indeed, its flexibility ensures that allocative efficiency is kept unchanged through movements in the input production possibility set when solving technical inefficiency, and therefore the associated cost reductions can be solelyand rightlyascribed to technicalengineeringimprovements. The new methodology to consistently decompose cost inefficiency, which generalizes the approach introduced by Koop and Diewert as well as subsequent refinements, is illustrated resorting to familiar examples of both homothetic and non-homothetic production functionses
dc.description.sponsorshipWe would like to express our gratitude to the Spanish Ministry for Economy and Competitiveness for supporting us through grant MTM2013-43903-P.-
dc.formatapplication/mswordes
dc.format.extent38es
dc.language.isoenges
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectTechnical efficiencyes
dc.subjectAllocative efficiencyes
dc.subjectDirectional Distance Functiones
dc.subject.other517 - Análisises
dc.titleRevisiting the decomposition of cost efficiency for non-homothetic technologies: A directional distance function approaches
dc.typeinfo:eu-repo/semantics/articlees
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