experiment. We ask subjects to design strategies that will play in their place. We find that eliciting strategies has negligible …-Stay-Lose-Shift, are not prevalent. We also find that the strategies used to support cooperation change with the parameters of the game … 'Gefangenendilemma' zu identifizieren. Die Teilnehmer werden gebeten, Strategien zu entwerfen, die an ihrer Stelle spielen sollen. Dabei …

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 …

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 …

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 …

theory, while sociological theories of social ties and intergroup comparisons suggest that bilateral cooperation can be … strengthened if there exist outsiders that gain from cooperative break down. We investigate this in a laboratory experiment … implemented by letting subjects make a positive contribution to a public good if they choose to defect from cooperation, i …

beliefs with experience are central to understanding behavior and learning in the IRPD. Beliefs strongly predict cooperation …