This book investigates models in cooperative game theory in which the players have the possibility to cooperate partially. In a crisp game the agents are either fully involved or not involved at all in coperation with some other agents, while in a fuzzy game players are allowed to cooperate with...

Biographical note: GintisHerbert: Herbert Gintis holds faculty positions at the Santa Fe Institute and Central European University. He is the author of "Game Theory Evolving" (Princeton), coauthor of "A Cooperative Species: Human Reciprocity and Its Evolution" with Samuel Bowles (Princeton), and...