Corcoran, Mary, and Greg J. Duncan. 1979. "Work History, Labor Force Attachment, and Earnings Differences Between Races and Sexes." Journal of Human Resources 14(1):3-20.

This article uses a new data set to investigate the extent to which differences in work history, on-the-job training, absenteeism, and self-imposed restrictions on work hours and location account for wage differences between the sexes and races. As expected, white men generally had more education and training and less absenteeism and fewer restrictions than black men and women of both races. Contrary to past studies, the proportionate wage payoff on the qualification measures are virtually identical for the four race/sex subgroups. The average differences in qualifications, however, explained less than one-third, one-half, and three-fifths of the wage gaps between white men and black women, white women, and black men, respectively.

Corcoran is Study Director, Survey Research Center, and Assistant Professor of Political Science, University of Michigan. Duncan is Senior Study Director, Survey Research Center, and Assistant Professor of Economics, University of Michigan. The research reported in this paper was supported by the U.S. Department of Labor and the U.S. Department of Health, Education, and Welfare. James N. Morgan, Richard D. Coe, Daniel H. Hill, Martha S. Hill, and Saul D. Hoffman participated in the research design and analysis summarized in this paper.

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