Cover -- Half Title -- Title Page -- Copyright Page -- Table of contents -- Illustrations -- Preface -- Part I Background on immigration -- Chapter 1 Why study the economics of immigration? -- Types of immigrants -- Immigration is controversial -- Immigration versus international trade --...

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 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...