account well for the observed fairness and cooperation in all the tested games. The impressive predictions of the theory …-cooperative strategic games. Cooperation models, such as ERC and inequality aversion, yield superior predictions compared to the standard … game theory predictions. However, those models are short of providing a general theory of behavior in economic interactions …

to play the prisoner's dilemma game enhances cooperation, (iii) if the payoff for simultaneous defection is negative …

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 …

's material payoff structure affects cooperation is incomplete. In this paper we investigate the effect of variation in material … payoffs on cooperation, focusing on one-shot PD games where efficiency requires mutual cooperation. We report results from … three experiments (N = 1,993): in a preliminary experiment, we vary the payoffs over a large range. In our first main …