For each year of work under the Social Security System, immigrants realize higher benefits than U.S. born, even when their earnings are identical in all years the immigrant has been in the U.S.. Two features of the social security benefit calculation are responsible: the social security benefit...

Immigrants who arrived in the U.S. before the Civil War were less likely to reside in locations with high immigrant concentrations as their time in the U.S. increased. This is contrary to the experience of recent immigrants who show no decrease in concentration after arrival. The reduced...

This paper reassesses the evidence on the assimilation and the changing labor market skills of immigrants to the United States. We find strong evidence of labor market assimilation for most immigrant groups. For Asian and Mexican immigrants the first ten years experience in the united States...

We study how decades-long exposure to individuals of a given foreign descent shapes natives' attitudes and behavior toward that group, exploiting plausibly exogenous shocks to the ancestral composition of US counties. We combine several existing large-scale surveys, cross-county data on implicit...

The recruitment of foreign scientists enhances US science through an expanded workforce but could also cause harm by displacing better connected domestic scientists, thereby reducing localized knowledge spillovers. We develop a model in which a sufficient condition for the absence of overall...

In this chapter, we document generational patterns of educational attainment and earnings for contemporary immigrant groups. We also discuss some potentially serious measurement issues that arise when attempting to track the socioeconomic progress of the later-generation descendants of U.S....