Predicting stable configurations of coalitions in cooperative games and exchange economies

Uniform competitive solutions are stable configurations of proposals predic ting coalition formation and effective payoffs. Such "solutions"' exist fbr almost all properly defined cooperative games and, therefore, can be propo sed as substitute of the core. The new existence results obtained in the pr esent paper concern also the case when the coalitional function of a game h as empty values. All concepts and results are implemented in the competitiv e analysis of the exchange economies.