Language Barriers and the Speed of Knowledge Diffusion
Kyle Higham () and
Discussion papers from Research Institute of Economy, Trade and Industry (RIETI)
While language barriers are well-known obstacles to knowledge diffusion, quantitative research on this topic is sparse. In this work, we attempt to fill this gap by providing causal evidence on their effects on the speed of knowledge diffusion by exploiting the introduction of pre-grant publications by the American Inventors Protection Act (AIPA) in 2000. We find that this policy significantly accelerated, relative to Japanese inventors, US inventorsâ€™ use of Japan-originating technical knowledge in their patents. Our analysis controls for biases of patent citations as proxies of knowledge flow, including preference for citing local prior art. Consistent with incentives for translation, this acceleration is much larger for small firms and the firms with little investment in the Japanese market. Consistent with high uncertainty of foreign patents before translation, we see much larger effects of the AIPA on the patent applications with higher quality. Our findings suggest that pre-grant publication provides a significant public good for cumulative innovation through earlier translations of foreign patents.
Pages: 53 pages
New Economics Papers: this item is included in nep-cse, nep-ino, nep-knm, nep-sbm, nep-tid and nep-ure
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Persistent link: https://EconPapers.repec.org/RePEc:eti:dpaper:22074
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