OICC Press International Journal of Mathematical Modelling & Computations 2228-6233 2 3 2016 06 21 MAXIMAL ALLOCATED BENEFIT AND MINIMAL ALLOCATED COST AND ITS APPLICATION 199 210 EN M. Mansouri Kaleibar Young Researchers Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran Iran, Islamic Republic of S. Daneshvar Journal Article 2016 06 21 In this paper, we investigate the problems of consensus-making among institution in stock exchange with multiple criteria for evaluating performance when the players (institutions) are supposed to be egoistic and the score for each criterion for a player is supposed to be a positive score. Each player sticks to his superiority regarding the criteria. This paperintroduces the models for computing minimal cost ratio and the maximal benefit for institutions.