Du, Juan; Chen, Chien-Ming; Chen, Yao; Cook, Wade D.; … - In: European Journal of Operational Research 218 (2012) 1, pp. 186-192
Conventional data envelopment analysis (DEA) methods assume that input and output variables are continuous. However, in many real managerial cases, some inputs and/or outputs can only take integer values. Simply rounding the performance targets to the nearest integers can lead to misleading...