Lacetera, Nicola; Macis, Mario; Slonim, Robert - In: American Economic Journal: Economic Policy 4 (2012) 1, pp. 186-223
We present evidence from nearly 14,000 American Red Cross blood drives and from a natural field experiment showing that economic incentives have a positive effect on blood donations without increasing the fraction of donors who are ineligible to donate. The effect increases with the incentive's...