then use the data to consider some key issues in dynamic competition and innovation. We look at the incidence and … distribution of patent races by technology, evidence for strategic delay of innovation by incumbent firms, and evidence that patent …

innovation. The dataset is complemented with indicators of patent quality (patent renewal, forward citations, and patent family …

innovation. The dataset is complemented with indicators of patent quality (patent renewal, forward citations, and patent family …

This paper provides causal evidence of local innovation spillovers, i.e. innovation by one firm fostering innovation by … neighboring firms. First, I document that exogenous shocks to innovation by listed firms affect innovation by private firms in the … same geographical area. I also find that such local innovation spillovers decline rapidly with distance. Second, I find …

We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …

We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …

How does patent enforcement affect subsequent innovation? I exploit patent infringement litigation in the United States … to analyze the effect of patent enforcement on cumulative innovation. The results imply that subsequent innovation … patent and reductions in asymmetric information are particular driver of the increase in follow-on innovation. Although there …