Many U.S. businessmen are vocally in favor of an increase in the number of H-1B visas. Is there systematic evidence that this would positively affect firms' productivity, sales, employment or profits? To address these questions we assemble a unique dataset that matches all labor condition...

Wage gaps between documented (including natives) and undocumented workers may reflect employer exploitation, endogenous occupational sorting and productivity losses associated with lack of legal status. Identification of the undocumented productivity penalty is crucial to estimate the aggregate...

This paper describes the theoretical underpinnings and provides empirical evidence for a model that predicts a positive impact of immigration on entrepreneurial activity. Immigrants, we hypothesize, facilitate innovation and entrepreneurship by being willing and able to invest in new skills. At...

An ongoing debate is whether the U.S. should continue its family-based admission system, which favors visas for family members of U.S. citizens and residents, or adopt a more skills-based system, replacing family visas with employment-based visas. In many ways this is a false dichotomy:...

Historical, longitudinal data are used to track the earnings of cohorts of immigrant and U.S.-born women over time. The longitudinal data circumvent potential cohort biases that afflict cross-sectional analyses of immigrant earnings growth and biases due to immigrant emigration and other issues...

The labor market "quality" of immigrants is a subject of debate among immigration researchers, and a major public policy concern. However, traditional methods of measuring human capital are particularly difficult to apply to recently arrived immigrants. Many factors that have a negative effect...

Deferred Action for Childhood Arrivals (DACA) is the first large-scale immigration reform to affect undocumented immigrants in the United States in decades and offers eligible undocumented youth temporary relief from deportation and renewable work permits. While DACA has improved the economic...

The H-1B program allows skilled foreign-born individuals to work in the United States. The annual quota on new H-1B issuances fell from 195,000 to 65,000 for employees of most firms in fiscal year 2004. This cap did not apply to new employees of colleges, universities, and non-profit research...