Lilley, Andrew; Slonim, Robert - In: Journal of Public Economics 114 (2014) C, pp. 58-74
. In the model agents receive heterogeneous utility from pure and impure altruism (Andreoni, 1989) that permits warm glow … to vary between monetary donations and volunteering, thus allowing preferences for impure altruism to rationalize … inefficient allocation decisions. We define a measure of the price of impure altruism as the additional proportion of income …