find that the subjects sustain cooperation in every treatment, but that their strategies differ substantially in the three …

others after sending a message of conditional cooperation. Each player’s realized lying aversion cost is private information …. We prove existence and characterize the (unique) symmetric perfect Bayesian equilibrium that maximizes cooperation. In … this distinguished equilibrium, the frequency of cooperation decreases as material gains from lying (or losses from being …

We study the evolution of cooperation in the indefinitely repeated prisoner's dilemma when it is costly for players to …

cooperation dilemmas derived from the standard Prisoner’s Dilemma. Using two different frameworks, classical game theory and …This work offers an analysis of cooperation dilemmas making emphasis in the role of the unequal outcomes. Increases in … the benefit from leaving mutual cooperation are associated to the greed dimension, while increases in the cost from …

’s choice. The results show that second mover cooperation is higher when the first mover has little control over their choice … mover cooperation and provide potential explanations for the experimental results …

Cooperation in prisoner's dilemma games can usually be sustained only if the game has an infinite horizon. We analyze … probability, where cooperation can occur in a subgame-perfect equilibrium only with the high probability). We find that the … termination rules do not significantly affect average cooperation rates. Specifically, employing a random termination rule does …

, little is known about the effect of group size on cooperation. Does larger group size favour or prevent cooperation? We …

benefits in the case of cooperation, using field data from a modified one-shot prisoner's dilemma played in a high …