We present a theory of ethnic conflict in which coalitions formed along ethnic lines compete for the economy …'s resources. The role of ethnicity is to enforce coalition membership: in ethnically homogeneous societies members of the losing … coalition can defect to the winners at low cost, and this rules out conflict as an equilibrium outcome. We derive a number of …

conflict when defense capability is fixed, but may allow for security and prosperity when defense capability is endogenous … of conflict and stagnation. We illustrate the model by analyzing the rise of civilization in Sumeria and Egypt, the first …

We propose a model of cycles of distrust and conflict. Overlapping generations of agents from two groups sequentially … a sequence of bad actions originated. Assuming that both sides are not extremists, spirals of distrust and conflict get … this mechanism can be useful in interpreting cycles of ethnic conflict and international war, and how it also emerges in …

matches recent empirical evidence. Introducing the recent creditor-conflict trend in this model endogenously increases secured …

ethnicity in college attendance. When the returns to college education rose, college enrollment of whites responded much more … college students that account for the differential response by race and ethnicity to the new labor market for skilled labor …