to conflict and civil war. Ethnographic accounts suggest that in segmentary lineage societies, which are characterized by … individuals. We test for this link between segmentary lineage and conflict across 145 African ethnic groups in sub-Saharan Africa …-documented relationship between adverse rainfall shocks and conflict within Africa is only found within segmentary lineage societies …

We present a theory of ethnic conflict in which coalitions formed along ethnic lines compete for the economy … coalition can defect to the winners at low cost, and this rules out conflict as an equilibrium outcome. We derive a number of … implications of the model relating social, political, and economic indicators such as the incidence of conflict, the distance among …

reacting to varying sizes of minority groups. We conclude that ethnic conflict is an important determinant of local public …

policy experiment in Indonesia to show how the effects of ethnic diversity on conflict depend on the political units within … which groups are organized. Redistricting along group lines can reduce conflict, but these gains are undone or even reversed …

: excessive arming and possibly the destruction associated with open conflict. Standard arguments in game theory suggest that more …, shows cycles of peace, arms races, and serious instances of open conflict. Long-lasting disarmed peace is rarely observed …. The paper develops a unified model of conflict that reveals possible theoretical mechanisms to produce such historical …