The theory of factor demand has important implications for the study of the impact of immigration on wages. This paper derives the theoretical implications in the context of a general equilibrium model where the wage impact depends on the elasticity of product demand, the rate at which the...

It has been difficult to open up the black box of knowledge production. We use unique international data on the publications, citations, and affiliations of mathematicians to examine the impact of a large post-1992 influx of Soviet mathematicians on the productivity of their American...

It has been difficult to open up the black box of knowledge production. We use unique international data on the publications, citations, and affiliations of mathematicians to examine the impact of a large post-1992 influx of Soviet mathematicians on the productivity of their American...

This paper examines the extent to which welfare programs reduce the probability that vulnerable household are food insecure, where food insecurity occurs when the household experiences food deprivation because of financial resource constraints. The Personal Responsibility and Work Opportunity...

This paper provides a systematic empirical analysis of the effect of union membership on job satisfaction and wages, and shows how the interaction between these effects leads to empirically observable relations between unionization and individual quit probabilities. Using the National...

During the last 25 years, annual hours worked by prime aged men fell by the equivalent of six 40-hour workweeks. The reduction was more pronounced among those younger than among mid-age workers, among black men than among white men, and among those with ...

<DIV>Since the 1970s, the striking increase in immigration to the United States has been accompanied by a marked change in the composition of the immigrant community, with a much higher percentage of foreign-born workers coming from Latin America and Asia and a dramatically lower percentage from...</div>

<DIV>The United States is now admitting nearly one million legal immigrants per year, while the flow of illegal aliens into the country continues to increase steadily. The debate over immigration policy has typically focused on three fundamental questions: How do immigrants perform economically...</div>

<DIV><DIV><DIV><P>From debates on Capitol Hill to the popular media, Mexican immigrants are the subject of widespread controversy.  By 2003, their growing numbers accounted for 28.3 percent of all foreign-born inhabitants of the United States. <I>Mexican Immigration to the United States </I>analyzes the astonishing...</i></p></div></div></div>