Since the early 1990's the growth rates of the four largest European economies--France, Germany, Italy, and the United Kingdom--have slowed. This persistent slowdown suggests a low-frequency structural change is at work. A combination of longer individual life expectancies and declining...

We exploit regional variation in suitability for cultivating potatoes, together with time variation arising from their introduction to the Old World from the Americas, to estimate the impact of potatoes on Old World population and urbanization. Our results show that the introduction of the...

Europeans restricted their fertility long before the Demographic Transition. By raising the marriage age of women and ensuring that a substantial proportion remained celibate, the "European Marriage Pattern" (EMP) reduced childbirths by up to one third between the 14th and 18th century. In a...