Between 1979 and 1987 there were three significant changes in the wage structure in the United States. the pecuniary returns to schooling increased by about a third; the wages of older relative to younger workers with relatively low education increased to some extent; and the wages of women...

Civil rights legislation of the 1960s made it illegal foran employer to pay men and women on different bases for the same work or to discriminate against women in hiring, job assignment, or promotion. Two decades later, however, the ratio of women's to men's earnings has shown little upward...