This paper studies the core of combined games, obtained by summing two coalitional games. It is shown that the set of … core of the combined game coincides with the sum of the cores of its components. On the other hand, for non-balanced games …, the binary relation associating two component games whose combination has an empty core is not transitive. However, we …

contains the Core, it eliminates the "dominated" coalition structures, and has sharp implications for weighted majority games …

on the one hand and the core property of an allocation on the other. In particular we show that it is an inhomogeneous … sacrifice') which is derived from the egalitarian-equivalent concept suggested by Moulin (1987). We also develop a simple core … test by which it can be checked whether a given allocation is in the core thus being a possible outcome of a cooperative …

, the set of Walrasian payoff vectors of the induced coalition production economy coincides with the core of the balanced …

) coalitional equilibrium, describe a (cooperative) partition form game. A coalition is core-stable if the core of a suitable …

coalition forms without delay in equilibrium, expected payoffs must be in the core of the characteristic function game that …

This paper reinterprets the ? -core (Chander and Tulkens (1995, 1997)) and justifies it as well as its prediction that …

(weak) core, unlike in many-to-one matching markets (Blair, 1988). In this paper, we seek a theoretical foundation for …