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Task Specialization, Immigration, and Wages

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Author Info
Giovanni Peri () (UC Davis and NBER)
Chad Sparber () (Colgate University)

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Abstract

Many workers with low levels of educational attainment immigrated to the United States in recent decades. Large inflows of less-educated immigrants would reduce wages paid to comparably-educated native-born workers if the two groups are perfectly substitutable in production. In a simple model exploiting comparative advantage, however, we show that if less-educated foreign and native-born workers specialize in performing different tasks, immigration will cause natives to reallocate their task supply, thereby reducing downward wage pressure. We merge occupational task-intensity data from the O*NET and DOT datasets with individual Census data across US states from 1960-2000 to demonstrate that foreign-born workers specialize in occupations that require manual and physical labor skills while natives pursue jobs more intensive in communication and language tasks. Immigration induces natives to specialize accordingly. Simulations show that this increased specialization might explain why economic analyses commonly find only modest wage and employment consequences of immigration for less-educated native-born workers across U.S. states. This is especially true in states with large immigration flows.

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Paper provided by Centre for Research and Analysis of Migration (CReAM), Department of Economics, University College London in its series CReAM Discussion Paper Series with number 00802.

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Date of creation: Mar 2008
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Handle: RePEc:crm:wpaper:0802

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Related research
Keywords: Immigration; Less-Educated Labor; Manual Tasks; Communication Skills; Comparative Advantages; US States.;

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Find related papers by JEL classification:
F22 - International Economics - - International Factor Movements and International Business - - - International Migration
J61 - Labor and Demographic Economics - - Mobility, Unemployment, and Vacancies - - - Geographic Labor Mobility; Immigrant Workers
J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
R13 - Urban, Rural, and Regional Economics - - General Regional Economics - - - General Equilibrium and Welfare Economic Analysis of Regional Economies

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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Full references

Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Amuedo-Dorantes & Sara de la Rica, 2008. "Complements or Substitutes? Immigrant and Native Task Specialization in Spain," CReAM Discussion Paper Series 0816, Centre for Research and Analysis of Migration (CReAM), Department of Economics, University College London. [Downloadable!]
  2. Amuedo-Dorantes, Catalina & de la Rica, Sara, 2009. "Complements or Substitutes? Task Specialization by Gender and Nativity in Spain," IZA Discussion Papers 4348, Institute for the Study of Labor (IZA). [Downloadable!]
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