In societies organized around distinct racial and ethnic groups, limited communication between these groups might increase the search cost of sexual partners outside of own group, leading to racially segregated sexual networks and low risks of sexually transmitted infections (STIs). At the same...

During a crisis, does a community's ethnic composition influence policy efficiency? How do the effects of ethnic divisions differ from those of ethnic diversity? Despite the large body of work which considers ethnic composition, little attention has been given to how it matters for...