insurance option is only critical for their willingness to donate to a charity if the uncertainty affects the proper use of …

experiment, in which subjects enter data in four one-hour occasions and are paid a piece rate. From the second occasion onwards … want to donate a share of their earnings to a charity of their choice. We find that, despite large differences in earnings … members of the two groups indicating that subjects in this experiment do not treat charitable giving as a normal good. …

There has been little systematic study of the mechanisms typically used to raise money for charity. One of the most … experiment randomly assigning participants to four raffle treatments to examine the effectiveness of alternative incentive … revenue gains are available on both margins. Our experiment, and others like it, illustrates the power of field experiments to …

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 …