This research advances an evolutionary growth theory that captures the pattern of life expectancy in the process of development, shedding new light on the sources of the remarkable rise in life expectancy since the Agricultural Revolution. The theory suggests that social, economic and...

Do policies that alter the allocation of human capital across individuals affect the innovation capacity of an economy? To answer this question I extend Romer’s growth model to allow for individual heterogeneity. I find that the value of an invention rises with equality. If skills and talents...