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 …

model provides an argument that shorter product cycles can induce firms to file more patent applications. The firms may be … trapped in a prisoners' dilemma where all firms would jointly prefer to patent less and to not have a patent thicket. If firms … successful, this may create a patent thicket. The transition into a situation where firms start patenting many ideas instead of …

Using panel data for nearly all service providers in a single industry sector, we examine productivity responses to … interest in maximising productivity. Ours is the first study to measure service industry productivity using both price and … Productivity (TFP) than incumbents. Increased competition from new entrants leads incumbents to reduce the price of union …

horizontal R&D cooperation can be effectively treated as a complementary tool (to such traditional solutions as patent protection …

discusses the interaction among innovative skills, minimum quality standards, and patent protection, noting how these generate …

The conventional wisdom is that the formation of patent pools is welfare enhancing when patents are complementary … and either increases spillovers in development or decreases the degree of product differentiation, patent pools can …