This paper reviews the literature on the role of public equity markets in the innovation ecosystem. The review highlights the importance of public equity markets in funding the research and development activities of young and high growth firms. It also illustrates the dependence of venture...

We provide the first measurement of knowledge spillovers from venture capital-financed companies onto the patenting activities of other companies. On average, these spillovers are nine times larger than those generated by the R&D investment of established companies. Spillover effects are larger...