In this paper we study endogenous formation of communication networks in situations where the economic possibilities of groups of players can be described by a cooperative game. We concentrate on the in uence that the existence of costs for establishing communication links has on the...

Polymatrix games concern a class of noncooperative multiperson games in normal form.Characteristic for these games is that the payo s for any player are additive in the payo s obtained against the individual other players.Harsanyi and Selten (1988) developed the tracing procedure for selecting...

In this paper we characterize the class of games for which the core coincides with the core cover (compromise stable games).Moreover we will develop an easy explicit formula for the nucleolus for this class of games, using an approach based on bankruptcy problems.Also the class of convex...