Existing research supports two opposing mechanisms through which positive mood might affect cooperation. Some studies … have suggested that positive mood produces more altruistic, open and helpful behavior, fostering cooperation. However … reduced use of information, hampering cooperation. We find evidence that suggests the second hypothesis dominates when playing …

interaction impacts cooperation within groups and surplus distribution. We developed and tested experimentally a Surplus … Allocation Game where cooperation of four agents is needed to produce surplus, but only two have the power to allocate it among … distributors and receivers. While behavior at the group level is diverse for surplus allocation and amount of cooperation …

Cooperation, Prisoner's Dilemma, evolutionary game theory, replicator dynamics, experimental economics, learning …

We study how punishment influences conditional cooperation. We ask two questions: 1) how does conditional cooperation … change if a subject can be punished and 2) how does conditional cooperation change if a subject has the power to punish … others. In particular, we disentangle the decision to be a conditional cooperator at all from the strength of conditional …

from one continuation probability to the other. When switching from large to small, transient higher levels of cooperation … are observed in the early games of the small continuation set. Conversely, when switching from small to large, cooperation … probabilities. These asymmetries suggest a bias in favor of cooperation. Finally, we examine the link between altruism and RPD play …

dilemma game results in stage-one cooperation rates of between 95-100%. Content analysis of between opponent communication … focuses on the increased earnings cooperation can achieve, with minimal discussion of punishment for failing to cooperate …. Restoring cooperation after an early stage-game defection typically requires compensating the aggrieved player. Between opponent …

The observability of partners' past play is known to theoretically improve cooperation in an infinitely repeated … prisoner's dilemma game under random matching. This paper presents evidence from an incentivized experiment that reputational … information per se may not improve cooperation. A structural estimation suggests that a certain percentage of players act …