Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/20333
Authors: 
González, Libertad
Year of Publication: 
2004
Series/Report no.: 
IZA Discussion paper series 1098
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.
Subjects: 
nonparametric bounds
language skills
Hispanic workers
labor market outcomes
JEL: 
J31
J24
C14
Document Type: 
Working Paper

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