We present a novel theory that immigrants facilitate innovation and entrepreneur-ship by being willing and able to invest in new skills. Immigrants whose human capitalis not immediately transferable to the host country face lower opportunity costs ofinvesting in new skills or methods and will be...

Two radically different descriptions of immigrant earnings trajectories in the U.S. have emerged. One asserts that immigrant men following the 1965 Immigration and Nationality Act have low initial earnings and high earnings growth. Another asserts that post-1965 immigrants have low initial...

Recently proposed immigration reforms would constitute a major break in the 40-year-old U.S. admissions policy favoring family members. Although emphasizing the importance of the nuclear family, the U.S. Commission on Immigration Reform and a house subcommittee on immigration recommend...

The initial earnings of U.S. immigrants vary enormously by country of origin. Via three interrelated analyses, we show earnings convergence across source countries with time in the United States. Human-capital theory plausibly explains the inverse relationship between initial earnings and...

Using historical, longitudinal data on individuals, we track the earnings of immigrant and U.S.-born women. Following individuals, instead of synthetic cohorts, avoids biases in earnings-growth estimates caused by compositional changes in the cohorts that are followed. The historical data...