Simar and Wilson two-stage efficiency analysis for Stata

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dc.contributor.authorBadunenko, Oleg
dc.contributor.authorTauchmann, Harald
dc.date.accessioned2018-05-25T13:51:06Z
dc.date.available2018-05-25T13:51:06Z
dc.date.issued2018
dc.description.abstractWhen analyzing what determines the efficiency of production, regressing efficiency scores estimated by DEA on explanatory variables has much intuitive appeal. Simar and Wilson (2007) show that this na¨ıve two-stage estimation procedure suffers from severe flaws, that render its results, and in particular statistical inference based on them, questionable. At the same time they propose a statistically grounded bootstrap based two-stage estimator that eliminates the above mentioned weaknesses of its na¨ıve predecessors and comes in two variants. This article introduces the new Stata command simarwilson that implements either variant of the suggested estimator in Stata. The command allows for various options, and extends the original procedure in some respects. For instance, it allows for analyzing both, output- and input-oriented efficiency. To demonstrate the capabilities of the new command simarwilson we use data from the Penn World Tables and the Global Competitiveness Report by the World Economic Forum to perform a cross-country empirical study about the importance of quality of governance of a country for its efficiency of output production.en
dc.identifier.urihttp://hdl.handle.net/2003/36879
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-18878
dc.language.isoende
dc.relation.ispartofseriesDiscussion Paper / SFB823;11/2018en
dc.subjectDEAen
dc.subjectenvironmental variablesen
dc.subjectbias correctionen
dc.subjectefficiencyen
dc.subjectbootstrapen
dc.subjecttruncated regressionen
dc.subjecttwo-stage estimationen
dc.subject.ddc310
dc.subject.ddc330
dc.subject.ddc620
dc.subject.rswkData Envelopment Analysisen
dc.subject.rswkBootstrap-Statistikde
dc.titleSimar and Wilson two-stage efficiency analysis for Stataen
dc.typeTextde
dc.type.publicationtypeworkingPaperde
dcterms.accessRightsopen access
eldorado.secondarypublicationfalsede

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