destroy intrinsic altruistic motivations. We set up a randomized-controlled experiment, through a survey administered to 467 …. Implications for research and public policy are discussed. -- Incentives ; altruism ; public good provision ; pro-social behavior …

prosocial behavior (doing good), and asks whether extrinsic monetary incentives (doing well) have a detrimental effect on … prosocially. Moreover, we show that extrinsic incentives interact with image motivation and are therefore less effective in public … than in private. Together, these results imply that image motivation is crowded out by monetary incentives; which in turn …

; blood donations ; material incentives : field experiment …There is a longstanding concern that material incentives might undermine prosocial motivation, leading to a decrease in … blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood …

know a lot about the effect of incentives on pro-social behavior, we understand very little about how to promote pro …-social behavior efficiently. For example, we accept that monetary incentives sometimes are less effective than would be predicted for …, we compare the role of heterogeneity of preferences in social efficiency across incentives and confirm the existence of …