Alberto Alesina, Stelios Michalopoulos, Elias Papaioannou, 04 February 2013

A large body of research has shown ethnic diversity to have a negative impact on development. This column suggests that it is the unequal concentration of wealth across ethnic lines that is detrimental for development rather than diversity per se. It shows that ethnic inequality, measured using ethno-linguistic maps and satellite images of light density at night, is associated with lower GDP per capita, worse living conditions, and lower levels of education.

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