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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 … flow of local knowledge and allow innovators to access more distant knowledge inputs. This finding suggests that …
Persistent link: https://www.econbiz.de/10011083321
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 …
Persistent link: https://www.econbiz.de/10011084673