Over the past decade, research explaining cross country income differences has increasingly pointed to the dominant role of total factor productivity (TFP) gaps as opposed to factor accumulation. Nevertheless, it is a widely held belief that a country's ability to absorb and implement...

Over the past decade, research explaining cross country income differences has increasingly pointed to the dominant role of total factor productivity (TFP) gaps as opposed to factor accumulation. Nevertheless, it is a widely held belief that a country's ability to absorb and implement...

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...