The most prominent feature of the female labor force across the past hundred years is its enormous growth. But many believe that the increase was discontinuous. Our purpose is to identify the short- and long-run impacts of WWII on the labor supply of women who were currently married in 1950 and...

The modern concept of the wealth of nations emerged by the early twentieth century. Capital embodied in people human capital mattered. The United States led all nations in mass postelementary education during the human-capital century.' The American system of education was shaped by New World...

We present the first estimates of the returns to years of schooling before 1940 using a large sample of men and women, employed in a variety of sectors and occupations, from the Iowa State Census of 1915. We find that the returns to a year of high school, and to a year of college, were...

Industrial revolution is fundamentally linked with the rise of factories and the decline of skilled artisans in manufacturing. Most scholars agree that factories as compared to artisan shops were intensive in unskilled labor. Indeed, the hallmark of the early factories is the utilization of...

This is the first paper to document the effect of health on the migration propensities of African Americans in the American past. Using both IPUMS and the Colored Troops Sample of the Civil War Union Army Data, I estimate the effects of literacy and health on the migration propensities of...

The existing literature on skill-biased technical change has not considered how the technological endowment itself plays a role in the returns to skill. This paper constructs a simple model of skill biased technical change which highlights the role that resource endowments play in the returns to...

Until the early decades of the 20th century, women spent more than 60% of their prime- age years either pregnant or nursing. Since then, improved medical knowledge and obstetric practices reduced the time cost associated with women's reproductive role. The introduction of infant formula also...

U.S. educational and occupational wage differentials were exceptionally high at the dawn of the twentieth century and then decreased in several stages over the next eight decades. But starting in the early 1980s the labor market premium to skill rose sharply and by 2005 the college wage premium...

The modern economic role of women emerged in four phases. The first three were evolutionary; the last was revolutionary. Phase I occurred from the late nineteenth century to the 1920s; Phase II was from 1930 to 1950; Phase III extended from 1950 to the late 1970s; and Phase IV, the "quiet...

Divorce law changes made in the 1970s affected marital formation, dissolution, and bargaining within marriage. By altering the terms of the marital contract these legal changes impacted the incentives for women to enter and remain in the labor force. Whereas earlier work had suggested that the...