A cooperative game with transferable utility -or simply a TU-game- describes a situation in which players can obtain certain payoffs by cooperation.A value function for these games is a function which assigns to every such a game a distribution of the payoffs over the players in the game.An...

AMS classification: 90D12;

We consider the problem of control of access to a firm's productive asset, embedding the decision makers into a structure of formal authority relationships.Within such a structure, decision makers act as principal to some decision makers, while they act as agent to other decision makers.We study...