Chen, Yao; Djamasbi, Soussan; Du, Juan; Lim, Sungmook - In: International Journal of Production Economics 146 (2013) 2, pp. 550-556
The conventional data envelopment analysis (DEA) assumes that the inputs and outputs are real values. However, in many … real world instances, some inputs and outputs must be in integer values. While integer-valued DEA models have been proposed …, the current paper develops an integer-valued DEA super-efficiency model. Super-efficiency DEA models are known to have the …