An influential result in the literature on charitable giving is that matching subsidies dominate rebate subsidies in raising funds. We investigate whether this result extends to 'unit donation' schemes, a popular alternative form of soliciting donations. There, the donors' choices are about the...

We present online-experimental evidence that challenges the generalizability of established results on subsidizing giving by considering a "quantity donation" scheme. We define this scheme as one in which donors choose how many units of a charitable good to fund, rather than the amount of money...

We conduct a field experiment in conjunction with a direct mail fundraising campaign to test the effect of different forms of subsidies – rebates or matching subsidies – on charitable donations. Previous studies cannot distinguish whether donors are aware of the offer of a subsidy: here...

A rebate subsidy of rate sr is functionally equivalent to a matching subsidy of rate sm=sr/(1−sr). Other things equal, an individual should respond identically to the two subsidies. We test the effect on charitable giving of the framing of a subsidy as a rebate or as a match. Subjects make a...

We report the results of a field experiment conducted in conjunction with a mailed fundraising campaign of a nonprofit organization. The experiment is designed to compare the response of donors to subsidies in the form of matching amounts or rebated amounts. Matching subsidies are used by many...