Yang, Feng; Ang, Sheng; Xia, Qiong; Yang, Chenchen - In: European Journal of Operational Research 223 (2012) 2, pp. 483-488
Cross efficiency method is an extension of data envelopment analysis (DEA), and has been widely used for ranking performance of decision making units (DMUs). To eliminate the non-uniqueness of cross efficiency scores, the aggressive and benevolent strategies have been proposed as secondary goals...