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...

In this paper we investigate the relationship between the agricultural technological level and R&D expenditures, human capital and openness to international trade using cross country information for a sample of 104 countries and various sub samples over the period 1961-1991. We first model the...