New Evidence on Sex Segregation and Sex Differences in Wages from Matched Employee-Employer Data

Kimberly Bayard, Judith K. Hellerstein, David Neumark, and Kenneth R. Troske , Journal of Labor Economics 21(4) , 887-922 , October 2003.

We use new matched employer-employee data to estimate the contributions of sex segregation and wage differences by sex within occupation, industry, establishment, and occupation-establishment cells to the overall sex gap in wages. In contrast to earlier data used to study this question, our data cover all industries and occupations across all regions of the United States. We find that segregation of women into lower-paying occupations, industries, establishments, and occupations within establishments accounts for a sizable fraction of the sex gap in wages. Nonetheless, approximately one-half of the sex gap in wages remains attributable to the individual's sex.

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