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| R&D Spillovers of China's Industry Based on Social Network |
| Jiao Jianling, Yang Yufei, Bai Yu |
| School of Management,Hefei University of Technology,Hefei 230009,China |
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Abstract A directed network and a directed network with weighted links of R&D technology spillovers of China's industry in 2007 and 2014 were constructed.Through the analysis of density,centrality and core-periphery structure,we found that the linkages between the various industries were not close enough,but with the passage of time,the relationships were enhanced.Network had higher centrality when only considering spillovers,and mainly concentrated in seven industries,which accounted for more than 70% of all the spillovers.Network had lower centrality when considering both spillovers and absorbents,because the absorbents of R&D technology spillovers were decentralized.The core-periphery structure of network was notable,and belonged to the multi core network structure.All of the core industries were machinery manufacturing industries,which were capital-intensive or technology-intensive industries.They all belonged to the midstream of the industry chain,and had close relationships with the industries of upstream and downstream.The R&D investment in these sectors could promote the technological levels of other industries.The industrial structure dominated by the second industry was the main reason that pharmaceutical industry on periphery status,electronic and telecommunications equipment,instruments manufacturing belonged to semi-periphery status,which were high technology-intensive industries,and had close relationships with the industries of midstream and downstream
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Received: 23 January 2017
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2017, Vol. 0 
