We use a survey-based approach to compare the effects of alternative forms of tax relief on donations—a tax rebate for the donor and a matched payment to the charity. On accounting grounds these two are equivalent but, in line with earlier experimental studies, we find that charitable...

We study charitable giving within social groups. Exploiting a unique dataset, we establish three key relationships between social group size and fundraising outcomes: (i) a positive relationship between group size and the total number of donations; (ii) a negative relationship between group size...