Nonparametric Bounds on the Returns to Language Skills

Libertad Gonzalez

No 1098, IZA Discussion Papers from Institute of Labor Economics (IZA)

Abstract: This paper applies the theoretical literature on nonparametric bounds on treatment effects to the estimation of how limited English proficiency (LEP) affects wages and employment opportunities for Hispanic workers in the United States. I analyze the identifying power of several weak assumptions on treatment response and selection, and stress the interactions between LEP and education, occupation and immigration status. I show that the combination of two weak but credible assumptions provides informative upper bounds on the returns to language skills for certain subgroups of the population. Adding age at arrival as a monotone instrumental variable also provides informative lower bounds.

Keywords: nonparametric bounds; language skills; Hispanic workers; labor market outcomes (search for similar items in EconPapers)
JEL-codes: C14 J24 J31 (search for similar items in EconPapers)
Pages: 51 pages
Date: 2004-03
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Citations: View citations in EconPapers (1)

Published - published in: Journal of Applied Econometrics, 2005, 20 (6), 771-795

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Journal Article: Nonparametric bounds on the returns to language skills (2005)
Working Paper: Nonparametric bounds on the returns to language skills (2003)
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