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A Theory of Racial Diversity, Segregation, and Productivity

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Abstract

Empirical evidence illustrates that diversity generates both economic costs and benefits. This paper develops a theoretical model that accounts for the positive and deleterious effects of heterogeneity. First, an expanded Solow Growth Model demonstrates that the direct effects of diversity can be positive or negative, and depend upon the size of fixed parameter values. Second, diversity also influences individuals’ location decisions. Segregation (variation of diversity across regions) always reduces national output per worker, so if diversity induces integration, it indirectly augments productivity as well. Finally, political policies aimed at reducing interaction costs across groups may actually reduce aggregate output per worker by encouraging segregation.

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File URL: http://commons.colgate.edu/cgi/viewcontent.cgi?article=1002&context=econ_facschol
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Paper provided by Department of Economics, Colgate University in its series Working Papers with number 2007-03.

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Date of creation: Nov 2007
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Handle: RePEc:cgt:wpaper:2007-03

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Keywords: Diversity; Segregation; Macroeconomic Productivity; Growth and Development Theory;

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  1. Easterly, W & Levine, R, 1996. "Africa's Growth Tragedy : Policies and Ethnic Divisions," Papers 536, Harvard - Institute for International Development.
  2. Gianmarco I.P. Ottaviano & Giovanni Peri, 2004. "Cities and Cultures," Working Papers 2004.92, Fondazione Eni Enrico Mattei.
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  5. Gianmarco I.P. Ottaviano & Giovanni Peri, 2004. "The Economic Value of Cultural Diversity: Evidence from US Cities," Working Papers 2004.34, Fondazione Eni Enrico Mattei.
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  8. Mauro, Paolo, 1995. "Corruption and Growth," The Quarterly Journal of Economics, MIT Press, vol. 110(3), pages 681-712, August.
  9. Edward L. Glaeser & Jose A. Scheinkman & Andrei Shleifer, 1995. "Economic Growth in a Cross-Section of Cities," NBER Working Papers 5013, National Bureau of Economic Research, Inc.
  10. Edward P. Lazear, 1999. "Culture and Language," Journal of Political Economy, University of Chicago Press, vol. 107(S6), pages S95-S126, December.
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  12. George A. Akerlof & Rachel E. Kranton, 2000. "Economics And Identity," The Quarterly Journal of Economics, MIT Press, vol. 115(3), pages 715-753, August.
  13. Knack, Stephen & Keefer, Philip, 1997. "Does Social Capital Have an Economic Payoff? A Cross-Country Investigation," The Quarterly Journal of Economics, MIT Press, vol. 112(4), pages 1251-88, November.
  14. repec:fth:stanho:e-95-4 is not listed on IDEAS
  15. Cutler, David M & Glaeser, Edward L, 1997. "Are Ghettos Good or Bad?," The Quarterly Journal of Economics, MIT Press, vol. 112(3), pages 827-72, August.
  16. Alesina, Alberto & La Ferrara, Eliana, 2005. "Ethnic Diversity and Economic Performance," Scholarly Articles 4553005, Harvard University Department of Economics.
  17. Romer, Paul M, 1987. "Growth Based on Increasing Returns Due to Specialization," American Economic Review, American Economic Association, vol. 77(2), pages 56-62, May.
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Cited by:
  1. Thomas Kemeny, 2013. "Immigrant Diversity and Economic Development in Cities: A Critical Review," SERC Discussion Papers 0149, Spatial Economics Research Centre, LSE.
  2. Parrotta, Pierpaolo & Pozzoli, Dario & Pytlikova, Mariola, 2012. "Does Labor Diversity Affect Firm Productivity?," IZA Discussion Papers 6973, Institute for the Study of Labor (IZA).
  3. Peri, Giovanni & Sparber, Chad, 2010. "Highly-Educated Immigrants and Native Occupational Choice," Working Papers 2010-09, Department of Economics, Colgate University.
  4. Dana Schüler & Julian Weisbrod, 2010. "Ethnic fractionalisation, migration and growth," Empirical Economics, Springer, vol. 39(2), pages 457-486, October.
  5. Francesca Mazzolari & David Neumark, 2012. "Immigration and product diversity," Journal of Population Economics, Springer, vol. 25(3), pages 1107-1137, July.
  6. Ryusuke Ihara & Shizu Yamamoto, 2012. "Does labor diversity cause agglomeration in Japan?: an NEG approach with a covariance structure analysis," ERSA conference papers ersa12p430, European Regional Science Association.
  7. Ryusuke Ihara, 2011. "Agglomeration with the pros and cons of labor heterogeneity," ERSA conference papers ersa11p528, European Regional Science Association.

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