. 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 sacrificed by a …

-sectional data from Germany on self-reported altruism, sector of employment, and donations to charity. In addition, we use panel data …

-selection and allocation decisions of agents who differ in altruism towards clients. When bureaucrats are paid flat wages, they do … of the altruism distribution. We also show how client composition affects sorting and why street-level bureaucrats often …