concentration on social integration. The exogenous placement of immigrants “switches off” observable and unobservable differences in …-ethnics increases migrants’ interaction cost with natives and thus reduces the likelihood of integration. …

This article analyzes the consequences of integration in public education. I show that the flight from the integrated … among more affluent parents whose children flee. In contrast, among less prosperous parents, integration in public education … rich, who can resort to private education. I also analyze the overall society-wide effect of the integration policy and …

-West border; political integration is not rapidly followed by economic integration. Instead, we estimate that it takes at least …

of vertical integration and delegation for a large set of firms from many countries and industries. In line with the … model’s predictions, we obtain three main results: (i) integration and delegation co-vary positively; (ii) producers are … more likely to integrate suppliers in input sectors with greater productivity variation (as the option value of integration …