What caused the baby boom? And can it be explained within the context of the secular decline in fertility that has occurred over the last 200 years? The hypothesis is that:(a) The secular decline in fertility is due to the relentless rise in real wages that increased the opportunity cost of...

We study the determinants of differences in farm-size across countries and their impact on agricultural and aggregate productivity using a quantitative sectoral model featuring a distribution of farms. Measured aggregate factors (capital, land, economy-wide productivity) account for ? of the...

Recent empirical evidence from the United States indicates a high degree of persistence in earnings across generations. Designing effective public policies to increase social mobility requires identifying and measuring the major sources of persistence and inequality in earnings. We provide a...