We construct a matrix showing the share of the year 2000 population in every country that is descended from people in different source countries in the year 1500. Using this matrix, we analyze how post-1500 migration has influenced the level of GDP per capita and within-country income inequality...

Early states like China, India, Italy and Greece have been experiencing more rapid economic growth in recent decades than have later-comers to agriculture and statehood like New Guinea, the Congo, and Uruguay. We show that more rapid growth by early starters has been the norm in economic...