A RANKING METHOD FOR DMUS WITH INTERVAL DATA BASED ON DEA CROSS-EFFICIENCY EVALUATION AND TOPSIS

(整期优先)网络出版时间:2013-02-12
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Thetraditionaldataenvelopmentanalysis(DEA)modelcanevaluatetherelativeefficienciesofasetofdecisionmakingunits(DMUs)withexactvaluesofinputsandoutputs,butitcannothandleimprecisedata.Imprecisedata,forexample,canbeexpressedintheformoftheintervaldataormixturesofintervaldataandordinaldata.Inthisstudy,across-efficiencymethodisintroducedintotheDEAmodeltocalculatetheintervalofcross-efficiencyvalues,basedonwhichanewTOPSISmethodisproposedtoranktheDMUs.Twoexamplesarepresentedtoillustrateandvalidatetheproposedmethod.