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  • George J. Borjas, Richard B. Freeman, and Lawrence F. Katz, Immigration and the Work Force: Economic Consequences for the United States and Source Areas (University of Chicago Press, 1992), chap. 7, https://www.nber.org/books-and-chapters/immigration-and-work-force-economic-consequences-united-states-and-source-areas/labor-market-effects-immigration-and-trade.

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In the 1980s, the wages and employment rates of less-skilled Americans fell relative to those of more-skilled workers...

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