• Working Paper
Venture capital is associated with some of the most high-growth and influential firms in the world. Academics and...
  • Working Paper
Entrepreneurs must choose between alternative strategies for bringing their idea to market. They face uncertainty...
  • Working Paper
Information technology (IT) matters to prosperity. The top patenters are increasingly IT companies. We use data on US...
  • Working Paper
Historically, innovation in the energy sector proceeded slowly and entrepreneurial start-up firms played a relatively...
  • Working Paper
This paper examines the U.S. government’s intramural research and development efforts over a 40-year period, drawing...
  • Working Paper
Immigrants account for about a quarter of US invention and entrepreneurship despite a policy environment that is not...
  • Working Paper
We show a causal impact of immigration on innovation and dynamism in US counties. To identify the causal impact of...