This paper studies the impact of U.S. immigration barriers on global knowledge production. We present four key findings. First, among Nobel Prize winners and Fields Medalists, migrants to the U.S. play a central role in the global knowledge network-representing 20-33% of the frontier knowledge...

As China implements reforms under the "new normal," maintaining stability in the labor market is a priority. The country's demography and labor dynamics are changing, after benefitting in past decades from ample cheap labor. So far, the labor market appears to be resilient, even as growth slows,...

While anecdotal evidence suggests that interest groups play a key role in shaping immigration policy, there is no systematic empirical analysis of this issue. In this paper, we construct an industry-level dataset for the United States, by combining information on the number of temporary work...