This paper evaluates the global welfare impact of observed levels of migration using a quantitative multi-sector model … migration to a no-migration counterfactual. In the long run, natives in countries that received a lot of migration - such as … the short run the impact of migration on average welfare in these countries is close to zero, while the skilled and …

different source countries in the year 1500. Using this matrix, we analyze how post-1500 migration has influenced the level of …'s territory, without adjusting for migration. Measures of the ethnic or linguistic heterogeneity of a country's current population …

different levels of migration frictions. We bring the model to the data for the whole world economy at a 1°×1° geographic … resolution. We then use the model to quantify the gains from relaxing migration restrictions as well as to describe the evolution … of the distribution of economic activity in the different migration scenarios. Our results indicate that fully …

responses of natives we use a novel instrumental variable strategy. Our estimates use migration by skill group to other U ….S. states as instrument for migration to California. Migratory flows to other states, in fact, share the same "push" factors as …