Classification of DMUs by Super-Efficiency Data Envelopment Analysis Model
Guo Jun · Journal of Tianjin University Science and Technology · 2003
Superefficiency data envelopment analysis (SEDEA)model,an improved DEA model, can be used to classify (DMU). But the SEDEA model under variable returnstoscale may be infeasible. This paper gives the sufficiency and necessity of the infeasibility of the SEDEA model. Meanwhile,the super efficient DMU and the strongly super efficient DMU are defined. Then the method of using SEDEA model to classify DMUs is put forward. This method is an improvement on the traditional method and can supply more information for decisionmakers.Therefore,it is practically useful.