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1、JProdAnal(2006)26:3549DOI10.1007/s11123-006-0004-8DataenvelopmentanalysisandMalmquistindicesformeasuringgroupperformanceA.S.Camanho·R.G.Dyson?SpringerScience+BusinessMedia,LLC2006AbstractThispaperdevelopsmeasures,basedon1.IntroductiontheMalmquistindex,thatenablet
2、hedecisionmak-ingunitsinternalinef?cienciestobedistinguishedThispaperusesDataEnvelopmentAnalysis(DEA)fromthoseassociatedwiththeirgroup(orprogram)andMalmquistindicestodevelopmeasuresforcom-characteristics.TheapplicabilityofthesemeasuresparinggroupsofDecisionMaking
3、Units(DMUs)isillustratedwiththeassessmentofbankbranchesandillustratestheapproachdevelopedwithanappli-performance.TheanalysisinvolvestheconstructioncationtoaPortuguesecommercialbank.Thegroupsofanindexre?ectingtherelativeperformanceofconsideredinthispaperrepresenta
4、lternativebranchesinfourdifferentregions,whichcanbeapproachesforperformingthebankbranchtasks,decomposedintoanindexforthecomparisonofi.e.,toprovide?nancialservicesandcounsellingtowithin-groupef?ciencyspread,evaluatinginternalbankcustomers.Althoughthetaskofallbranc
5、hesmanagerialef?ciencies,andanindexforthecom-isessentiallythesame,astheyusethesameinputsparisonoffrontierproductivity,re?ectingtheimpacttoproducethesameoutputs,wecanclustertheofenvironmentalfactorsandregionalmanagerialbranchesindifferentgroups,accordingtotheirman
6、-policiesonbranchesproductivity.agerialstrategiesandenvironmentalconditions.OurobjectiveistoidentifythebestperformingschemesKeywordsDataenvelopmentanalysis·forbankbranchbusiness,bothintermsofmanage-Malmquistindex·Programef?ciency·Bankingrialstrategiesandenvironme
7、ntalconditions.TheDEAisalinearprogrammingbasedtechniqueformeasuringtherelativeef?ciencyofahomo-geneoussetofDMUsintheiruseofmultipleinputsto.producemultipleoutputs.InmostDEAapplications,althoughtheDMUsactivitiesexhibitalargedegreeA.S.Camanho(B)FaculdadedeEngenhari
8、a,DemegiGein,ofhomogeneity,itisoftenimportanttoexploretheUniversidadedoPorto,RuaDr.RobertoFrias,pro?leofgroupsofDMUsfromthesetunderanal-4200-465Porto,Portugaly
