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Language Barriers and the Speed of International Knowledge Diffusion

Kyle HighamSadao Nagaoka

出版	SSRN, 2023
URL	http://books.google.com.hk/books?id=j98q0AEACAAJ&hl=&source=gbs_api

註釋

We provide causal evidence on the effects of language barriers on the speed and extent of knowledge diffusion by exploiting the introduction of pre-grant publications in the US. Language barriers account for almost half the diffusion lag of Japan-originating knowledge to US-based inventors, relative to Japan-based inventors. This acceleration is significant only for firms with low appropriation advantage in translation (small R&D scale, or little involvement in the Japanese market), and is larger for the diffusion of high-quality inventions, suggesting difficulties of quality-targeted translation. Thus, pre-grant publication provides a significant public good for cumulative innovation through accelerated access to translated foreign patents.