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...

We revisit the idea that colonized countries that were more (less) economically advanced in 1500 became poorer (richer, respectively) by the late 20th century. Using data on place of origin of today's country populations and the urbanization and population density measures used by Acemoglu et...

All since the rise of the first civilizations, economic development has been closely intertwined with the evolution of states. In this paper, we contribute to the literature on state history and long-run economic development in four ways. First, we extend and complete the state history index...

We invited "residents" of a virtual world who vary in real-world age and occupation to play a trust game with stakes comparable to "in world" wages. In different treatments, the lab wall was adorned with an emotively suggestive photograph, a suggestive text was added to the instructions, or both...