Norde, Henk; van Velzen, S.; Hamers, H.J.M. - Tilburg University, Center for Economic Research - 2002
In this paper we construct sets of marginal vectors of a TU game with the property that if the marginal vectors from these sets are core elements, then the game is convex.This approach leads to new upperbounds on the number of marginal vectors needed to characterize convexity.An other result is...