Karlan, Dean; List, John A.; Shafir, Eldar - In: Journal of Public Economics 95 (2011) 5-6, pp. 344-350
To further our understanding of the economics of charity, we conducted a natural field experiment. Making use of two direct mail solicitations sent to nearly 20,000 prior donors to a charity, we tested the effectiveness of $1:$1 and $1:$3 matching grants on charitable giving. We find only weak...
