Li, Yongjun; Chen, Yao; Liang, Liang; Xie, Jianhui - In: Omega 40 (2012) 5, pp. 611-618
Liang et al. (2008) [1] developed DEA models based upon game approach to decompose efficiency for two-stage network structures where all outputs of the first stage are the only inputs to the second stage. This paper extends Liang et al. (2008) [1] by assuming that the inputs to the second stage...