We conduct an artefactual field experiment to study and compare the behavior of workers and students in a linear … find that both students and workers sanction group members who contribute less than the group average, and reward those who … contribute more. In both subject samples, the use of non-monetary sanctions and rewards induces more cooperation. The magnitude …

We use experimental methods to investigate whether pledges of commitment can improve cooperation in endogenously … findings show that pledges of commitment alone can increase cooperation and welfare in committed partnerships. The introduction … partnerships fall solely on the individual choosing to break up, pledges of commitment fail to improve cooperation and welfare. …

interaction between the observability of the cooperation of others and the absence of punishment targeted at cooperative …

equilibrium strategy. Exclusion has a positive impact on cooperation when it is followed by a quick rather than a slow … retaliation. Post-exclusion cooperation and forgiveness depend not only on the length of exclusion but also on the perceived …

formation, the maintenance and the decay of social norms. In particular, our knowledge about how norms affect behavior and how … goods provision - the quick emergence of a widely accepted social cooperation norm that demands high contributions but - in … consensus as well as the high cooperation demands required by the norm break down. However, when peer punishment is possible …

can promote cooperation through a combination of sorting and opportunistic signaling, with late period defections by … remains unclear. In each of six treatments that vary the cooperation premium and the informational basis for reputation …, that with a high cooperation premium and good information, investment in reputation grows across sets of finitely …

Ostracism is practiced by virtually all societies around the world as a means of enforcing cooperation and excluding … contributors are excluded but also because high contributors sustain a higher cooperation level under the exclusion institution …

norms on cooperation. We find that under the signaling mechanism, less cooperative players disguise themselves in the rule …-following game, but this does not decrease cooperation overall. More importantly, the signaling mechanism has a heterogeneous effect … on cooperation in rule-following and rule-breaking groups: It increases cooperation in rule-following groups but …