The H-1B program allows firms in the United States to temporarily hire high-skilled foreign citizens. H-1B workers are highly concentrated among a small number of firms. We develop a theoretical model demonstrating that this phenomenon is an artifact of policy design: When the government...

The United States' H-1B visa program, which allows private firms to hire highly skilled foreign workers, was so severely over-subscribed in the years since 2014 that H-1B status was distributed by lotteries to a subset of applicants. Using data on H-1B applications and on a range of outcomes for...

The H-1B program allows firms in the United States to temporarily hire high-skilled foreign citizens. H-1B workers are highly concentrated among a small number of firms. We develop a theoretical model demonstrating that this phenomenon is an artifact of policy design: When the government...

The United States' H-1B visa program, which allows private firms to hire highly skilled foreign workers, was so severely over-subscribed in the years since 2014 that H-1B status was distributed by lotteries to a subset of applicants. Using data on H-1B applications and on a range of outcomes for...

The recent impetus of tougher immigration-related measures passed at the state-level raises concerns about the impact of such measures on the migration experience, trajectory and future plans of unauthorized immigrants. In a recent and unique survey of Mexican unauthorized immigrants interviewed...

The recent impetus of tougher immigration-related measures passed at the state-level raises concerns about the impact of such measures on the migration experience, trajectory and future plans of unauthorized immigrants. In a recent and unique survey of Mexican unauthorized immigrants interviewed...

This paper identifies intermarriage (between non-citizens and citizens) as an important response mechanism to intensified immigration enforcement, particularly among Mexican non-citizens. Exploiting the temporal and geographic variation in the implementation of interior immigration enforcement...