Do high levels of human capital foster economic growth by facilitating technology adoption? If so, countries with more human capital should have adopted more rapidly the skilled-labour augmenting technologies becoming available since the 1970's. High human capital levels should therefore have...

Returns to scale to capital and the strength of capital externalities play a key role for the empirical predictions and policy implications of different growth theories. We show that both can be identified with individual wage data and implement our approach at the city-level using US Census...

This paper examines how economic stratification affects inequality and growth over time. It studies economies where heterogenous agents interact through local public goods or externalities (school funding, neighbourhood effects) and economy-wide linkages (complementary skills, knowledge...

The distribution of human capital and income lies at the center of a nexus of forces that shape a country’s economic, institutional and technological structure. I develop here a unified model to analyse these interactions and their growth consequences. Five main issues are addressed. First, I...

This paper develops a simple model of human capital accumulation and community formation by heterogeneous families, which provides an integrated framework for analysing the local determinants of inequality and growth. Five main conclusions emerge. First, minor differences in education...