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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/57592
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dc.creatorMohsen Afsharianpt_BR
dc.creatorHeinz Ahnpt_BR
dc.creatorAna Lopespt_BR
dc.creatorBruno Vilelapt_BR
dc.date.accessioned2023-08-08T11:41:56Z-
dc.date.available2023-08-08T11:41:56Z-
dc.date.issued2018-
dc.citation.volume65pt_BR
dc.citation.issue2019pt_BR
dc.citation.spage1pt_BR
dc.citation.epage9pt_BR
dc.identifier.doidoi.org/10.1016/j.seps.2018.04.004pt_BR
dc.identifier.issn00380121pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/57592-
dc.description.resumoIn Brazil, which has one of the biggest energy systems in the world, the National Electricity Regulatory Agency (Agência Nacional de Energia Elétrica – ANEEL) regulates the generation, transmission, distribution and commercialization of electricity. As a key step in running the incentive regulation regime, the regulator applies a DEA-based Malmquist index for estimating the X-factor, which reflects productivity gains that can be expected across all companies involved in the industry. This paper investigates the way the X-factor was estimated in 2015 by ANEEL in the transmission sector concerning the review period 2009–2014. The regulator applies a modified version of the Malmquist index developed by Ray and Desli [1] and also adapts the bootstrapping method of Simar and Wilson [2] to generate confidence intervals for an estimate of the X-factor. Analyzing ANEEL's approach, we have discovered a number of serious analytical and computational shortcomings, which we demonstrate in the paper. On this basis, we address the effect of the estimated X-factor on social welfare, having the final customers to pay a higher price for electricity than they were supposed to.pt_BR
dc.languageporpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentFCE - DEPARTAMENTO DE CIÊNCIAS ADMINISTRATIVASpt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofSocio-Economic Planning Sciencespt_BR
dc.rightsAcesso Restritopt_BR
dc.subjectData envelopment analysispt_BR
dc.subjectX-factor estimationpt_BR
dc.subjectEnergy transmission regulatiopt_BR
dc.subject.otherEnergiapt_BR
dc.subject.otherAgência Nacional de Energia Elétrica (Brasil)pt_BR
dc.titlePitfalls in estimating the X-factor: the case of energy transmission regulation in Brazilpt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.sciencedirect.com/science/article/pii/S0038012117302446pt_BR
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