DP20630 From Skills to Occupations: Comparative Advantage and Cross-Country Income Differences

Bogdan Hofbauer

We revisit the role of human capital in cross-country income differences. We develop a general equilibrium model where workers of different skill groups sort into occupations by comparative advantage. Wages and employment depend on workers’ skill quality, occupation-specific country-embedded productivity, and occupational distortions. Using harmonized microdata for 50 countries, we infer these components from the model’s equilibrium conditions. Workers in rich countries exhibit higher skill