We study how two distinct dimensions of peer ethnic diversity (ethnic fractionalization and ethnic polarization) affect … schools, we find evidence for two opposing effects. Ethnic fractionalization increases the likelihood of students sorting into … people-oriented occupations while ethnic polarization reduces this likelihood. Using data on social and cognitive skills, we …

We build a model of conflict in which two groups contest a resource and must decide on the optimal allocation of labor … involved in the conflict by transferring financial resources to its origin country. We find that the diaspora influences the … conflict equilibrium, the two groups of residents prefer to negotiate a peaceful settlement if there exists a sharing rule that …

We model simultaneous inter and within identity-group conflict in two territories connected by cross-territorial spill … higher efficiency of a group in inter-group conflict. We find that inter-group and total conflict move together within a … territory, while within-group conflict and output move in the opposite direction. A unilateral increase in cross-border spill …

The estimation of the costs of conflict is currently receiving a lot of attention in the literature. This paper aims to … give a thorough overview of the existing literature, first by addressing the history of case studies that address conflict … costs and second by looking at the existing body of cross-country analyses for conflict costs. In addition to the existing …

When do opposition groups decide to mount a terrorism campaign and when do they enter an open civil conflict against … the ruling government? This paper models an opposition group's choice between peace, terrorism, and open conflict …. Terrorism emerges if executive constraints are intermediate and rents are sizeable. Open conflict is predicted to emerge under …