This paper consists of an introductory survey of two fundamental questions regarding the link between entrepreneurship and economic growth. The first one deals with the endogenous relationship between entrepreneurship and growth. In particular, we suggest that, while more entrepreneurship could...

I show that in a conventional Ramsey model, between one-fourth and one- half of income differences across countries can be explained by a single factor: The steady-state effect of large, persistent differences in national average IQ on worker productivity. These differences in cognitive...