We discuss survey evidence on individuals' willingness to sanction norm violations such as evading taxes, drunk driving, fare dodging, or skiving off work by expressing disapproval or social exclusion. Our data suggest that people condition their sanctioning behavior on their belief about the...

The Chinese Online Lottery provides field evidence of three anomalies. The first anomaly, which has previously not been documented when there is a financial incentive to overcome, is the guidance effect. Since the target game in this project is a pari-mutuel game, which means people will share...

How does scarcity affect individual willingness to share and willingness to enforce sharing from others? Sharing in poor communities gains importance as an insurance mechanism during adverse shocks, yet shocks make it costlier to share. I conducted repeated economic experiments in both a lean...

The Chinese Online Lottery provides field evidence of three anomalies. The first anomaly, which has previously not been documented when there is a financial incentive to overcome, is the guidance effect. Since the target game in this project is a pari-mutuel game, which means people will share...

We test the importance of social norms for market interactions associated with negative real-world externalities in a large-scale experiment with a heterogeneous population sample from Germany. The majority of experimental participants refuses to trade, thus behaving in a moral way. Our data...

Gender gaps in labor-market outcomes often emerge with the arrival of the first child. We investigate a causal link between gender norms and labor-supply expectations within a survey experiment among 2,000 German adolescents. Using a hypothetical scenario, we document that the majority of girls...

In a field experiment with 341 participants, we study whether social comparisons, either in isolation or in combination with a climate-related moral appeal, can change the use of public and car-related transportation. We do so in the context of a mobility budget offered to employees of a large...

Cities are increasingly hold accountable for climate action. By demonstrating their proenvironmentality through own climate-related activities, they not at least aspire to encourage individual climate protection efforts. Based on standard economic theory there is little reason to assume that...

We discuss survey evidence on individuals' willingness to sanction norm violations such as evading taxes, drunk driving, fare dodging, or skiving off work by expressing disapproval or social exclusion. Our data suggest that people condition their sanctioning behavior on their belief about the...