We study the interplay between transportation infrastructure, knowledge flows, and innovation. Exploiting historical … variation, we estimate the effect of U.S. interstate highways on regional innovation. We find that a 10% increase in a region …

Patents are a useful but imperfect reward for innovation. In sectors like pharmaceuticals, where monopoly distortions … lower prices. Innovation prizes and other non-patent rewards are becoming more prevalent in government's innovation policy … therefore can generate the right innovation incentives. …

externalities and their impact on regional innovation. We examine MSA-level patent data during the period 1975-2000 and find that … innovation output is higher in regions where large and small firms coexist. The finding is robust to across-region as well as …

firm's incentives for R&D. These changes influence the probability of innovation through two effects: changes in total R … shift from the rival firm to the dominant firm is a good thing as it decreases the likelihood of duplicate innovation (we … rights are strong. That is, firm dominance is good for innovation when (but only when) property rights are strong. We also …

potential suppliers generate and sell the most suitable innovation. Moreover, procurement by public agencies and large firms … the degree of competition between suppliers, as well as other more practical indirect ways to stimulate innovation. We … discuss the effects of standard setting activities by large, often public, procurers on innovation races. We evaluate how …