G T ] 1 0 A pr 2 01 8 Individual and Group Stability in Neutral Restrictions of Hedonic Games

We consider a class of coalition formation games called hedonic games, i.e., games in which the utility of a player is completely determined by the coalition that the player belongs to. We first define the class of subset-additive hedonic games and show that they have the same representation power as the class of hedonic games. We then define a restriction… (More)