The intellectual breakthrough contributed by the new growth theory was the recognition that investments in knowledge and human capital endogenously generate economic growth through the spillover of knowledge. Endogenous growth theory does not explain how or why spillovers occur. The missing link...

This paper explores the relationship between knowledge creation, entrepreneurship, and economic growth in the United States over the last 150 years. According to the quot;new growth theory,quot; investments in knowledge and human capital generate economic growth via spillovers of knowledge. But...