best way to encourage participation. In a field experiment we vary suggested amounts and test different wordings for a …

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 …

In a door-to-door fundraising field experiment, we study the impact of fundraising mechanisms on charitable giving. We …, it raised the lowest revenue per household in the field. Our experiment reveals two potential explanations for this …

cities to conduct a field experiment with roughly 350 donation appeals. We induce spatial differentiation by varying the … themselves by distance; fundraising (through matching) for one charity raises checkbook giving to that charity, irrespective of … between donors and charities is of limited strategic important. For spatially differentiated charities, matching 'home …