Introduction and Summary
    Published Date 
  
  
    Copyright 1991
  
  
    ISBN 0226000958
  
 
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      Copy CitationJohn M. Abowd and Richard B. Freeman, Immigration, Trade, and the Labor Market (University of Chicago Press, 1991), https://www.nber.org/books-and-chapters/immigration-trade-and-labor-market/introduction-and-summary.