character. The grand coalition was always the efficientcoalition,whereas the values of the 2-personcoalitions are varied such … that they lead to an efficiency loss inthe range of6.7 up to 30 percent. Furthermore, the 2-person coalition implies social … huge majority of proposers choosethe inefficient and unfair 2-person coalition. Proposer inducedefficiencylosses vary …

)The coalition decision, (ii) proposers' demand behavior in 2- and 3-personultimatum subgames, and (iii) theresponders' behavior in …

players in the game.In this paper we consider cooperative games in which the playersare organized into an a priori coalition … payoff is equal to its share in someinternal game within its coalition multiplied by the share of thiscoalition in an … properties. Weprovide axiomatizations of this class of coalition structure sharefunctions using these consistency and …