Bi, Gongbing; Feng, Chenpeng; Ding, Jingjing; Liang, Liang - In: Journal of the Operational Research Society 65 (2014) 8, pp. 1202-1211
The zero sum gains data envelopment analysis models (ZSG-DEA models) are non-linear. In this paper, we first show that the ZSG-DEA models can be transformed to linear or parametric linear models and discuss the feasible domains of the parameters. Second, we show that the linear formulations of...