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A variant of radial measure capable of dealing with negative inputs and outputs in data envelopment analysis |
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| Authors: | Gang Cheng Panagiotis Zervopoulos Zhenhua Qian |
| Affiliation: | 1. China Center for Health Development Studies, Peking University, 38 Xueyuan Rd., Beijing, China;2. Department of Economic and Regional Development, Panteion University, 136 Syngrou Avenue, Athens, Greece;3. School of Social Science, University of Science and Technology Beijing, 30 Xueyuan Rd., Beijing, China |
| Abstract: | Data envelopment analysis (DEA) is a linear programming methodology to evaluate the relative technical efficiency for each member of a set of peer decision making units (DMUs) with multiple inputs and multiple outputs. It has been widely used to measure performance in many areas. A weakness of the traditional DEA model is that it cannot deal with negative input or output values. There have been many studies exploring this issue, and various approaches have been proposed. |
| Keywords: | Data envelopment analysis Negative data Variant of radial measure Unit invariance |
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