Galasso, Alberto; Schankerman, Mark - In: The Quarterly Journal of Economics 130 (2015) 1, pp. 317-369
Cumulative innovation is central to economic growth. Do patent rights facilitate or impede follow-on innovation? We …. Patent rights block downstream innovation in computers, electronics, and medical instruments, but not in drugs, chemicals, or … triggers more follow-on innovation by small firms. JEL Codes: K41, L24, O31, O33, O34. …