approach is based on the following six "aspects" of a player's behavior: round-1 cooperation, lenience, forgiveness, loyalty …, leadership, and following. Using a laboratory experiment, we explore how aspects are correlated between each other in a given …

of a Prisoner's Dilemma game. When time preferences are heterogeneous and bounded away from one, how "much" cooperation … can be achieved by an ongoing group? How does group cooperation vary with the group's size and structure? For an arbitrary … distribution of discount factors, we characterize the maximal average co-operation (MAC) likelihood of this game. The MAC …

Community enforcement is an important device for sustaining efficiency in some repeated games of cooperation. We … investigate cooperation when information about players' reputations spreads to their future partners through links in a social … network that connects them. We find that information supports cooperation by increasing trust between players, and obtain the …

same level of cooperation as in a complete network, although a Folk Theorem obtains when the players are patient enough …

British television game show 'Golden Balls', we find a unilateral cooperation rate of 55% and a mutual cooperation rate of 33 … between stake size and cooperation. Also certain gestures, as handshakes, decrease the likelihood to cooperate. But, if … players mutually promise each other to cooperate and in addition shake hands on it, the cooperation rate increases. We also …