What drove western population growth in the U.S. during the 19th century? The facts are: (i) Natural increase was higher in the West than in the East; and (ii) in the early stages of the settlement process, net migration could account for up to 80% of population growth in some regions. A general...

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: 1. The secular decline in fertility is due to the relentless rise in real wages that increased the opportunity cost of...