these are equivalent; loss-aversion and signaling models both predict a larger commitment before the bonus is known … certain but the donation's collection is uncertain. This supports a signaling explanation: it is cheaper to commit to donate …

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 …

the effects by income source can be explained by social norms. Our first experiment induces random variation in both … earned income and windfall bonuses and shows that only bonuses increases charitable donations. The second experiment uses an … elicited in the second experiment match the donation patterns in the first experiment both overall and across subject …