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 in the world today. Indicators of early development such as early state history and the timing of transition to agriculture have much better predictive power for current GDP when one looks at the ancestors of the people who currently live in a country than when one considers the history on that country’s territory, without adjusting for migration. Measures of the ethnic or linguistic heterogeneity of a country’s current population do not predict income inequality as well as measures of the ethnic or linguistic heterogeneity of the current population’s ancestors. An even better predictor of current inequality in a country is the variance of early development history of the country’s inhabitants, with ethnic groups originating in regions having longer histories of agriculture and organized states tending to be at the upper end of a country’s income distribution. However, high within-country variance of early development also predicts higher income per capita, holding constant the average level of early development.
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Length: Date of creation: Oct 2008 Date of revision: Handle: RePEc:nbr:nberwo:14448
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Find related papers by JEL classification: F22 - International Economics - - International Factor Movements and International Business - - - International Migration N30 - Economic History - - Labor and Consumers, Demography, Education, Income, and Wealth - - - General, International, or Comparative O40 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General
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