Fang, Lei; Li, Hecheng - In: European Journal of Operational Research 240 (2015) 2, pp. 488-492
, Cherchye, and Sipiläinen (2006) developed the top-down and bottom-up approaches to maximizing the industry-level cost … two-level mathematical programming models to calculate the upper and lower bounds of cost efficiency for each firm in the … case of non-unique LoOP prices while keeping the industry cost efficiency optimal. Furthermore, a base …