Robert J. Barro
Economic Growth in a Cross Section of Countries
Harvard University Press
98 countries period 19601985 growth rate real per capita gdp positively related initial human capital proxied 1960 schoolenrollment rates negatively related initial 1960 level real per capita gdp countries higher human capital also lower fertility rates higher ratios physical investment gdp growth inversely related share government consumption gdp insignificantly related share public investment growth rates positively related measures political stability inversely related proxy market distortions