This research establishes empirically that existing cross-language variations in the structure of the future tense and the presence of grammatical gender affected human capital accumulation. Exploiting variations in the dominant languages among migrants from the same countries of origin, the...

This research develops an evolutionary growth theory that captures the interplay between the evolution of mankind and economic growth since the emergence of the human species. This uni...ted theory encompasses the observed evolution of population, technology and income per capita in the long...

Why does inequality vary across societies? We advance the hypothesis that in a mar- ket economy, where earning differentials re ect variations in productive traits among individuals, a significant component of the differences in inequality across societies can be attributed to variation in...