What is the role of startups within the innovation ecosystem? Since 2000, startups have grown in their share of … ventures in the innovation process relative to more traditional alternatives such as academia and established private … generate predictions related to the value and impact of startup innovation. We then explore these predictions using patents …

We estimate differences in innovation behavior between foreign versus U.S.-born entrepreneurs in high-tech industries … characteristics and innovation activities. We find uniformly higher rates of innovation in immigrant-owned firms for 15 of 16 … different innovation measures; the only exception is for copyright/trademark. The immigrant advantage holds for older firms as …

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 …

Interest in the role of entrepreneurial entry in innovation raises the question of the extent to which tax policy … innovative entrepreneurs confounds interpreting this specification. Using education as a measure of potential for innovation, we …