Innovation networks in China, Japan, and Korea : further evidence from U.S. patent data
AbstractThe growing importance of innovation in economic growth has encouraged the development of innovation capabilities in East Asia, within which China, Japan, and Korea are most important in terms of technological capabilities. Using U.S. patent data, we examine how knowledge networks have developed among these countries. We find that Japan's technological specialization saw gradual changes, but those of Korea and China changed rapidly since 1970s. By the year 2009, technology specialization has become similar across three countries in the sense that the common fields of prominent technology are electronics and semiconductors. Patent citations suggest that technology flows were largest in the electronics technology, pointing to the deepening of innovation networks in these countries. Together with our prior work, the Japanese and U.S. data produce similar conclusions about innovation networks.
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Bibliographic InfoPaper provided by Institute of Developing Economies, Japan External Trade Organization(JETRO) in its series IDE Discussion Papers with number 297.
Date of creation: Apr 2011
Date of revision:
Publication status: Published in IDE Discussion Paper. No. 297. 2011.4
Postal: Publication Office, IDE 3-2-2 Wakaba, Mihama-ku, Chiba-shi, Chiba 261-8545 JAPAN
Find related papers by JEL classification:
- O31 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
- O33 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
- L6 - Industrial Organization - - Industry Studies: Manufacturing
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-11-07 (All new papers)
- NEP-CSE-2011-11-07 (Economics of Strategic Management)
- NEP-INO-2011-11-07 (Innovation)
- NEP-SBM-2011-11-07 (Small Business Management)
- NEP-SEA-2011-11-07 (South East Asia)
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