We present the first estimates of the returns to years of schooling before 1940 using a large sample individuals (from the 1915 Iowa State Census). The returns to a year of high school or college were substantial in 1915—about 11 percent for all males and in excess of 12 percent for young...

We present the first estimates of the returns to years of schooling before 1940 using a large sample individuals (from the 1915 Iowa State Census). The returns to a year of high school or college were substantial in 1915—about 11 percent for all males and in excess of 12 percent for young...

Women are currently the majority of U.S. college students and of those receiving a bachelor's degree, but were 39 percent of undergraduates in 1960. We use three longitudinal data sets of high school graduates in 1957, 1972, and 1992 to understand the narrowing of the gender gap in college and...

The fraction of U.S. college graduate women entering professional programs increased substantially just after 1970, and the age at first marriage among all U.S. college graduate women began to soar around the same year. We explore the relationship between these two changes and the diffusion of...