Using firm level panel data from the U.S., I explore the relationship between firm size and R&D productivity for two … obtained per dollar of investments. I find that the average quality of patents (citations received per patent) falls with firm … size in Pharmaceuticals, but there is no relationship between patent quality and firm size in Semiconductors. Citations …

patent applications as a technology diffusion channel. Considering the relationship between research and productivity …The paper focuses on the impact of business related R&D spending on input factor productivity (IFP) using international …, international patent pattern reflects the link between the source (R&D) and the use (IFP). To estimate patent related spillover …

economically and statistically significant impacton firm-level productivity and market value. Patent citations contain more …-Leverhulme patents dataset that we have constructed by combining information from the US Case-Western Patent database with UK company … (total factor) productivity and an eight percent increase in market value. As expected patenting and citation information …

This paper examines Total Factor Productivity (TFP) and knowledge flows, using international patent data. The result is …-industry innovation enhances domestic productivity, and domestic between industry innovations are productivity enhancing. However, foreign …-sourced between-industry innovation has a negative effect on domestic productivity. This highlights the dual aspect of patents as a …

innovators from high-productivity firms. These findings suggest that innovation subsidies contribute to economic renewal and the …