According to T.W. Schultz, the returns to human capital are highest in economic environments experiencing unexpected price, productivity, and technology shocks that create "disequilibria." In such environments, the ability of firms and individuals to adapt their resource allocations to shocks...

Data from 919 household surveys conducted between 1960 and 2012, spanning 147 economies, are used to evaluate the relationship between rising life expectancy at birth and lifetime years of schooling for successive birth cohorts between 1905 and 1988. The study finds significant positive effects...