Talman, Dolf; Koshevoy, G.A.; Suzuki, T. - Tilburg University, Center for Economic Research - 2014
a TU-game is equivalent to supermodularity of the characteristic function underlying the<br/>game. In this paper we … introduce the concept of supermodularity for NTU-games. Super-modularity for NTU-games is weaker than other existing types of … convexity. Under super-modularity of an NTU-game it is shown that all appropriately dened marginal vectors of the game are …