By allowing for an extensive margin in the standard quantity-quality model, we generate new insights into fertility transitions. We test the model on Southern black women aected by a large-scale school construction program. Consistent with our model, women facing improved schooling opportunities...

We estimate trends in intergenerational economic mobility by matching men in the Census to synthetic parents in the prior generation. We find that mobility increased from 1950 to 1980 but has declined sharply since 1980. While our estimator places greater weight on location effects than the...

The black-white gap in schooling among southern-born men narrowed sharply between the world wars. From 1914 to 1931, nearly 5,000 schools were constructed as part of the Rosenwald Rural Schools Initiative. Using census data and World War II records, we find that the Rosenwald program accounts...