Abstract:
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 refunded amounts. Matching subsidies are used by many corporations as an employee benefit; the US federal tax system subsidizes giving by making it tax deductible. The design includes a control group and two levels of subsidy of each type. Our main result is that matching subsidies result in larger total donations to charities than rebate subsidies. The results are qualitatively the same, and quantitatively very similar in magnitude to the lab results, validating lab estimates of responsiveness to subsidies of charitable giving.