Wei, Quanling; Yan, Hong; Xiong, Lin - In: European Journal of Operational Research 190 (2008) 3, pp. 855-876
This work introduces a bi-objective generalized data envelopment analysis (Bi-GDEA) model and defines its efficiency. We show the equivalence between the Bi-GDEA efficiency and the non-dominated solutions of the multi-objective programming problem defined on the production possibility set (PPS)...