modelled as a simultaneous, symmetric prisoner’s dilemma. This experiment manipulates the payoff in case both players defect …, and explains the degree of cooperation by a combination of five motives: the size of gains from cooperation, expectations …

. Akerlof and Rachel E. Kranton, 2000), we show theoretically that introspection may enhance cooperation by increasing the …) expectations. Our results show that introspection causally increases cooperation. Both home-grown idealism and the experiences with …

Cooperation problems are at the heart of many everyday situations. In this paper, we propose a very simple and light …-handed mechanism to sustain cooperation and test its performance in a rich laboratory environment. The mechanism moderates cooperation … in natural settings. -- Public Good ; Behavioral Uncertainty ; Conditional Cooperation ; Information ; First Impressions …

externality. A within-subjects measure of reticence to impose harm does not explain cooperation. But the externality makes … participants more pessimistic. However conditional on their beliefs participants are more, not less cooperative if cooperation …