Gift exchange experiments have demonstrated that norms can affect labor market outcomes and provided an explanation for involuntary unemployment. However, conflicting results from laboratory and field experiments have questioned the relevance of gift exchange and helped spark an ongoing debate...

In three sets of experiments involving 5,432 subjects, we show that agents make more errors when doing so allows them to justify selfish behavior. We show that errors relating to addition arise when they can help to justify selfishness but are eliminated when selfish motives are removed. In...

How does priming identity affect charitable giving? We show that individuals are more likely to donate when a facet of their identity associated with a norm of generosity is primed in an appeal. In large charitable giving field experiments run by the American Red Cross, appeals that prime an...

Gift exchange experiments have demonstrated that norms can affect labor market outcomes and provided an explanation for involuntary unemployment. However, conflicting results from laboratory and field experiments have questioned the relevance of gift exchange and helped spark an ongoing debate...