The phrase \add them up and divide by two (Tashite Ni De Waru, in Japanese)" is an established maxim in Japanese society, and has its historical roots in Japanese culture. This means adopting a middle course between two competing proposals in order to avoid a conflict. In the spirit of Max Weber...

This paper deals with problems of consensus-making among individuals or organizations with multiple criteria for evaluating their performance when the players are supposed to be egoistic; in the sense that each player sticks to his superiority regarding the criteria. We analyze this situation...