can promote cooperation through a combination of sorting and opportunistic signaling, with late period defections by … remains unclear. In each of six treatments that vary the cooperation premium and the informational basis for reputation …, that with a high cooperation premium and good information, investment in reputation grows across sets of finitely …

. For this purpose, we develop an infinitely repeated rent-seeking model with two groups where within-group cooperation is … then characterize the conditions under which cooperation among fellow members within each group can be achieved as a … stationary subgame perfect equilibrium. The main conclusion is that the larger group has more chances to maintain cooperation …

Evolution of cooperation by reciprocity has been studied using two-player and n-player repeated prisoner’s dilemma … cooperation when less generous, and better at maintaining a long-term cooperation in the presence of rare defectors when more …

behavior appropriately. Nonetheless, evolutionary studies of cooperation typically focus only on reaction norms, e.g., tit for … cooperation. The state-of-mind inference requires Bayesian belief calculations, which is computationally intensive. We therefore … of their opponent's behavior. These commitment-like decision rules can enhance or reduce cooperation depending on the …