This medieval baby boom had important economic consequences. It changed the age-structure of the population. As long as it continued, a larger proportion were dependent children. Fewer were mature adults in the prime of their productive years. This happened at the same time that people needed more food, fuel, houses and land. Demand for life’s necessities expanded more rapidly than supply could increase. Inexorably, prices went up.15
The opposite is happening In the Modern world,
