Tonin, Mirco; Vlassopoulos, Michael - 2011
intrinsic motivations for giving: warm glow and pure altruism. In particular, we implemented a within-subject experimental … third one, T3, with a charity recipient and no crowding out, which elicits both types of altruism. We use T1 to assess to … these two estimates to quantify the portion of giving in T3 due to pure altruism and find it to be between 20% and 26% of …