Migration outflows, especially of young people, may deprive an economy of entrepreneurial energy and innovative ideas …

Migration and pollution are two defining features of China's impressive growth performance over the last 30 years. In … this paper we study the migration response to pollution in Chinese cities, and its consequences for productivity and …

bank). We develop a model in which the size of the optimal innovator diaspora depends on the competing strengths of co …-location and diaspora effects for accessing knowledge. Then, using patent citation data associated with inventions from India, we … estimate the key co-location and diaspora parameters; the net effect of innovator emigration is to harm domestic knowledge …

Recent theoretical and empirical studies have emphasized the fact that the prospect of international migration … that temporary migration is widespread among highly skilled migrants (such as Eastern Europeans in Western Europe and … for return migration and which predicts who will migrate and who will return among agents with heterogeneous abilities. We …

We ask what level of migration would maximize world welfare. We find that skill-neutral policies are never optimal. An … countries. For intermediate welfare functions that moderately favor the rich however, it is optimal to have no migration at all …

, remittances, return migration, or an emigration 'lottery'. Instead, they are driven purely by the public nature of knowledge goods …

In the first global century before 1914, trade and especially migration had profound effects on both low-wage, labor …

government commitment. We characterize how decreasing migration costs for skilled workers affect the time-consistent policies of … in migration costs is Pareto improving when migration costs are high, but have ambiguous effects when these costs are low …