How does law change society? In the rational actor model, law affects behavior only by changing incentives and information-the command and coordination function of law. Under the view that humans are social animals, law is also a guidepost for social norms that regulate behavior-the expressive...

This paper examines how temporary migration to a different ethnic region affects national integration. It uses original survey data from individuals who were randomly exposed to different ethnic regions of Nigeria during their mandatory national service, the largest program of its kind in...