We study how random variation in the availability of highly educated, foreign-born workers impacts firm performance and recruitment behavior. We combine two rich data sources: 1) administrative employer-employee matched data from the US Census Bureau; and 2) firmlevel information on the first...

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...

We study how the effects of U.S. restrictions on skilled immigration affect the Canadian economy and American workers' welfare. In 2017, the United States implemented a policy that tightened the eligibility criteria for U.S. visas. This was followed immediately by a trend break in the number of...