Corresponding author.Feng Yang is a lecturer in School of Management, University of Science and Technology of China. He holds a doctorate in management science and engi- neering. He has published more than 30 articles in a wide range of academic and professional journals, including JORS, EJOR, ESWA, COR, AOR, etc. His areas of specialty include data envelopment analysis and multi-criteria decision modeling. E-mall: fengyang@ustc.edu.cn Chenchen Yang is a postgraduate student in School of Management, University of Science and Technology of China. Her areas of specialty in- clude data envelopment analysis and multi-criteria decision modeling. E-mail: yangcc @ mail.ustc.edu.cn Liang Liang is a professor in School of Management, University of Science and Technology of China, where he serves as the executive dean. He holds a doctorate in system engineering. He has published more than 100 articles in a wide range of academic and professional journals, including OR, JORS, EJOR, ESWA, COR, AOR, Omega, IEEE Transactions, Socio-Economic Planning Sciences, IJITDM, IJPR, IJPE, etc. His areas of specialty in-clude supply chain management and data envelopment analysis. He is also a guest editor of International Journal of Mass Customization, and Asian-Pacific Business Reviews. Shaofu Du is a lecturer in School of Management, University of Science and Technology of China. He holds a doctorate in management science and engineering. He has published a lot of articles in a wide range of academic and professional journals. His areas of specialty include decision analysis and supply chain management. E-mall: dsoft@ustc.edu.cn