This research explores the origins of the distribution of time preference across regions. It advances the hypothesis, and establishes empirically, that geographical variations in natural land productivity and their impact on the return to agricultural investment have had a persistent effect on...

"Migration is a widespread human activity dating back to the origin of our species. Advances in genetic sequencing have greatly increased our ability to track prehistoric and historic population movements and allowed migration to be described both as a biological and socioeconomic process....