Recent immigration policies have created massive uncertainty for international students to obtain F-1 visas. Yet, before the COVID-19 pandemic, student visa applicants already faced an approximately 27 percent refusal rate that varies by time and region. Using data on the universe of SAT takers...

Immigration is rapidly changing the composition of the R&D workforce in the United States. We study here Chinese chemists and chemical engineers who migrate to the United States for their graduate studies. We analyze productivity at the individual researcher level, thus bypassing the...

This paper reviews four decades of economics research on the brain drain, with a focus on recent contributions and on development issues. We first assess the magnitude, intensity and determinants of the brain drain, showing that brain drain (or high-skill) migration is becoming the dominant...

We examine a little-known restriction on high-skill immigration to the United States, the Exchange Visitor Skills List. This List mandates that to become eligible for long-term status in the U.S., certain high-skill visitors must reside in their home countries for two years after participation...

In 1910, 12 percent of American 14-17 year olds were enrolled in high school; by 1930, enrollment had increased to 50 percent; enrollment in Britain was 12 percent in 1950. This paper argues that by increasing the skill premium, the massive inflows of European unskilled immigrants at the turn of...

The stock of human capital in an area is important for regional economic growth and development. However, highly educated workers are often quite mobile and there is a concern that public investments in college graduates may not benefit the state if the college graduates leave the state after...

The stock of human capital in an area is important for regional economic growth and development. However, highly educated workers are often quite mobile, and there is a concern that public investments in college graduates may not benefit the state if the college graduates leave the state after...