innovation, measured by patents weighted by citations and R&D expenditure, on the idiosyncratic volatility of firms. Using a …Firms engaging in innovative practices have patents to prevent competitive forces from eroding the resulting economic … rents; however, there is limited evidence regarding the impact of innovation on risk. We shed new light on how firms …

This chapter summarizes the basic characteristics of patent data as an innovation indicator and reviews some of the … recent research using patent data, focusing on major developments since Griliches in 1990 [Griliches, Z. (1990). “Patent … availability of patent data on an increasingly global scale and the accompanying global spread of research using patent data. The …