Chen, Yao; Liang, Liang; Zhu, Joe - In: European Journal of Operational Research 193 (2009) 2, pp. 600-604
Data envelopment analysis (DEA) is a linear programming problem approach for evaluating the relative efficiency of peer decision making units (DMUs) that have multiple inputs and outputs. DMUs can have a two-stage structure where all the outputs from the first stage are the only inputs to the...