Preventing overfishing at Lake Victoria is a typical situation where policies have to rely on norm-based interventions to improve outcomes. Our lab-in-the-field experiment studies how information about high or low levels of previous cooperation affects the creation of social norms in a...

Formal regulations often fail to ensure sustainable management of natural resources. An alternative approach could rely on the interaction of norm-based interventions and social sanctions. Our lab-in-the-field experiment with fishermen at Lake Victoria studies how a norm-based intervention,...