This paper reviews recent academic work on the spatial concentration of entrepreneurship and innovation in the United … identify and discuss policies that are being pursued in the United States to encourage local entrepreneurship and innovation …

How does firm entry affect innovation incentives and productivity growth in incumbent firms? Micro-data suggests that … threat spurs innovation incentives in sectors close to the technological frontier--successful innovation allows incumbents to … prevent entry. In laggard sectors it discourages innovation--increased entry threat reduces incumbents' expected rents from …

entrepreneurship rate of locals, and negative local firm multiplier effect …

The pace of innovation is related both to the level of investment in innovation and the pool of knowledge from which … innovators can draw. Both of these are endogenous: Investments in innovations are affected by the pool of knowledge and the … and design of IPR affects the extent to which any innovation adds to or subtracts from the pool of ideas that are …

This paper considers the U.S. Small Business Innovation research (SBIR) program as a policy fostering academic … entrepreneurship. We highlight two main characteristics of the program that make it attractive as an entrepreneurship policy: early … the incidence of biomedical entrepreneurship through SBIR and describe some of the characteristics of these individuals …

We study the effects of ability and liquidity constraints on entrepreneurship. We develop a three sector Roy model that … on entry into entrepreneurship. The model predicts--and the data confirm--that entrepreneurs are positively selected on … positively selected on collateral, but other self-employed are not; and entrepreneurship is procyclical, but self-employment is …