DESHENG WU () (School of Business, University of Science and Technology of China, He Fei, An Hui Province 230026, P. R. China) LIANG LIANG () (School of Business, University of Science and Technology of China, He Fei, An Hui Province 230026, P. R. China) ZHIMIN HUANG () (School of Business, Adelphi University, Garden City, New York 11530, USA) SUSAN X. LI () (School of Business, Adelphi University, Garden City, New York 11530, USA)
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This paper proposes an aggregated ratio analysis model which can be utilized to evaluate relative efficiency of decision making units (DMUs). We show that our proposed ratio model is equivalent to the CCR DEA model. This equivalence property offers a great deal of opportunities for DEA to be interpreted and applied in different ways. Our model also offers an insight into the frontier analysis. Whether a DMU is on the frontier or efficient frontier can be informed by using our aggregated ratio analysis. Several results developed in the paper are coincident with that in the literature.
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