blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood … types of incentive: a lottery ticket and a free cholesterol test. Lottery tickets signi cantly increase donations, in … particular among less motivated donors. The cholesterol test leads to no discernable impact on usable blood donations. If …

blood donations rather than an increase. This paper providesan empirical test of how material incentives aect blood … types of incentive: a lottery ticket and a free cholesterol test. Lottery tickets signicantlyincrease donations, in … particular among less motivated donors. The cholesterol test leads tono discernable impact on usable blood donations. If anything …

decrease in blood donations. This paper provides an empirical test of how material rewards affect blood donations in a three … the efficacy of a lottery ticket as a reward vis-à-vis a standard invitation, an appeal, and a free cholesterol test. The …

blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood … types of incentive: a lottery ticket and a free cholesterol test. Lottery tickets significantly increase donations, in … particular among less motivated donors. The cholesterol test leads to no discernable impact on usable blood donations. If …

blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood … types of incentive: a lottery ticket and a free cholesterol test. Lottery tickets significantly increase donations, in … particular among less motivated donors. The cholesterol test leads to no discrnable impact on usable blood donations. If anything …

blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood … types of incentive: a lottery ticket and a free cholesterol test. Lottery tickets significantly increase donations, in … particular among less motivated donors. The cholesterol test leads to no discernable impact on usable blood donations. If …

blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood … types of incentive: a lottery ticket and a free cholesterol test. Lottery tickets significantly increase donations, in … particular among less motivated donors. The cholesterol test leads to no discernable impact on usable blood donations. If …

blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood … types of incentive: a lottery ticket and a free cholesterol test. Lottery tickets significantly increase donations, in … particular among less motivated donors. The cholesterol test leads to no discrnable impact on usable blood donations. If anything …

We conducted a field experiment in the natural setting of blood donations to test how oxytocin relates to empathy and …