Joan Costa-i-Font, Mireia Jofre-Bonet, Steven Yen, 04 August 2011

Paying some people to donate blood while others receive a cursory “thanks” has been shown to crowd out the altruistic donors. This column examines data from 15 European countries and finds that while this is the case for monetary rewards, it is not the case for non-monetary rewards.


CEPR Policy Research