This paper suggests that the spillover of knowledge may not occur automatically as has typically been assumed in models of endogenous growth. Rather, a mechanism is required that serves as a conduit for the spillover and commercialization of knowledge from the source creating it to the firm...

This paper explores the relationship between knowledge creation, entrepreneur-ship, and economic growth in the United States over the last 150 years. Accor-ding to the "new growth theory," investments in knowledge and human capital ge-nerate economic growth via spillovers of knowledge. But the...