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...

This document focuses on innovation, human capital, technology transfers and competition as potential sources of productivity growth for firms. It integrates the views of existing literature such as the two faces of R&D, the convergence debate and the existence of firm-level heterogeneity in...