Policies and explicit private incentives designed for self-regarding individuals sometimes are less effective or even counterproductive when they diminish altruism, ethical norms and other social preferences. Evidence from 51 experimental studies indicates that this crowding out effect is...

Recent economic literature emphasizes the importance of moral considerations to explain compliance behavior with respect to underground activities such as tax evasion. A considerable amount of research aims to identify factors that affect the intrinsic motivation to comply. However, the causal...