Immigration policy is one of the most contentious public policy issues in the United States today. High-skilled immigrants represent an increasing share of the U.S. workforce, particularly in science and engineering fields. These immigrants affect economic growth, patterns of trade, education...

Introduction / Gordon H. Hanson, William R. Kerr, and Sarah Turner -- High-skilled immigration and the comparative advantage of foreign-born workers across U.S.occupations / Gordon H. Hanson and Chen Liu -- The innovation activities of multinational enterprises and the demand for skilled worker,...