A donation may have ambiguous costs or ambiguous benefits. Behavior in a laboratory experiment suggests that …-driven behavior is more pronounced when the costs of a donation - rather than its benefits - are ambiguous. However, the importance of …

field experiment that compares the principal-first and agent-first orderings to each other and a gift-less control …

variation in which donor wait times are random, we use the length of time a donor spends waiting to make his donation as our …

We investigate the effect of a donation incentive tied to contributions to a public good when group members can decide … on the size of the donation to be made. An up to 20 % donation of the public good was implemented either exogenously or … endogenously by group members. In the Vote treatment, groups could either decide in favor of or against a donation of 20 % of the …

third one, T3, with a charity recipient and no crowding out, which elicits both types of altruism. We use T1 to assess to …This paper presents results from a modified dictator experiment aimed at distinguishing and quantifying the two … intrinsic motivations for giving: warm glow and pure altruism. In particular, we implemented a within-subject experimental …

principal-agent experiment that shows that consistency is valued by others and that this value is anticipated. The second … experiment underlines the crucial role of early commitment for consistency preferences. Finally we show how preferences for …

elections trying to attract voters. In a laboratory experiment using exchange games, in which the trustor can choose the trustee …, we study whether trustees can signal their trustworthiness by giving to charity. Our results show that donors are indeed … generosity, such as investments in corporate social responsibility or donations to charity during a political campaign, can …