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 …

partly spills over into the next period, by affecting relative conflict efficiency. Our model generates non …-monotone evolution of both conflict and distribution. Results suggest that external interventions, when effective in reducing current … conflict and protecting weaker groups, may end up sowing the seeds of greater future conflict. …

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 …

underlying link between trust and the slave trade is confirmed. Alternative factors - conflict, kinship, and witchcraft beliefs …

conflict. Both ideologues lose in success probability, but gain in expected utility. Elimination of the mercenary increases … conflict and makes the ideologues more successful yet worse off. Our results rationalize "imperial peace" - long periods of …

fragmentation and conflict on international trafficking through internal and international displacements. -- ethnic fragmentation … ; conflict ; displaced persons ; human trafficking …

question of why ethnicity matters, we identify three families of mechanisms -- what we term preference, technology, and … these mechanisms in isolation and then to compare the importance of ethnicity in each. Results from experimental games … altruism toward co-ethnics, or for an impact of shared ethnicity on the productivity of teams"--Forschungsinstitut zur Zukunft …