John Maynard Keynes, The General Theory of Employment, Interest, and Money, 21 октября 2012 г., http://ebooks.adelaide.edu.au/k/keynes/john_maynard/k44g/.
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Peter B. Dixon and Maureen T. Rimmer, “Restriction or Legalization? Measuring the Economic Benefits of Immigration Reform”, Cato Institute, 13 августа 2009 г., http://www.cato.org/publications/trade-policy-analysis/restriction-or-legalization-measuring-economic-benefits-immigration-reform (по состоянию на 14 декабря 2012 г.); Robert Lynch and Patrick Oakford, “The Economic Effects of Granting Legal Status and Citizenship to Undocumented Immigrants”, Center for American Progress, 20 марта 2013 г., http://www.americanprogress.org/issues/immigration/report/2013/03/20/57351/the-economic-effects-of-granting-legal-status-and-citizenship-to-undocumented-immigrants/ (по состоянию на 12 августа 2013 г.).
