post announcement mechanism does not have a significant effect on the cooperation rate. However, the nudge leads to a … striking increase in the cooperation rate. We provide suggestive evidence that the nudge we use provides subjects with a focal …

on cooperative behavior. In a survey experiment with a representative sample of the Swedish population (N = 1,828), we … mode or were induced to rely either on emotion or reason. Cooperation was measured across a series of commonly used and … that average cooperation rates increased when emotions were induced rather than reason. At the trait level, our results …

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 …

A growing experimental literature studies the endogenous choice of institutions to solve cooperation problems arising … of institutional choice. Almost all institutions improve cooperation if they are implemented, but they are not always … identified as important determinants of institutional choice. Cooperation tends to be higher under endogenously chosen …

online experiment. We observe high levels of cooperation and the typical conditional contribution patterns in a modified …We analyze cooperation within a company setting in order to study the relationship between cooperative attitudes and … public goods game. When linking experiment and company record data, we observe that cooperative attitudes of employees do not …

Social interactions predominantly take place under the shadow of the future. Previous literature explains cooperation … paper provides a causal test of the importance of social preferences for cooperation, varying the composition of …-registered experiments (N = 1,074), we show that groups of prosocial individuals achieve substantially higher levels of cooperation. The …

the need for a new theory of how cooperation emerges. …

We show how sanctioning is more effective in increasing cooperation between groups than within groups. We study this … using a trust game among ethnically diverse subjects in Afghanistan. In the experiment, we manipulate i) sanctioning and ii … where ethnic identity is salient. Our results suggest that formal institutions for enforcing cooperation are more effective …