This paper shows that the public provision of private goods may be justified on pure efficiency grounds in an environment where individuals have relative consumption concerns. By providing private goods, governments directly intervene in the consumption structure, and thereby have an instrument...

Using a new experimental design, we compare how subjects form beliefs in an investor-client setup under varying degrees of liability. Our results reflect the importance of social preferences when making investment decisions for others. We show that when investors have no liability, those with...

Social interactions predominantly take place under the shadow of the future. Previous literature explains cooperation in indefinitely repeated prisoner's dilemma as predominantly driven by self-interested strategic considerations. This paper provides a causal test of the importance of social...

In business and politics, gifts are often aimed at influencing the recipient at the expense of third parties. In an experimental study, which removes informational and incentive confounds, subjects strongly respond to small gifts even though they understand the gift giver’s intention. Our...

This study presents descriptive and causal evidence on the role of social environment for the formation of prosociality. In a first step, we show that socioeconomic status (SES) as well as the intensity of mother-child interaction and mothers' prosocial attitudes are systematically related to...