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中文摘要：
在分析协作研发网络结构对产业技术生态位影响机理的基础上,收集1989—2011年间我国汽车产业联合申请专利数据,运用社会网络分析法构建汽车产业不同时期的协作研发网络、计算整体网络结构特征值,并利用专利IPC分类号数据测度产业技术生态位宽度和生态位重叠度,继而进行假设检验。结果表明：协作研发网络密度、中心性与产业技术生态位宽度呈倒U型关系,协作研发网络集聚系数与产业技术生态位重叠度呈U型关系。根据实证结果,为政府出台相关产业创新与产业转型升级政策提供参考,为我国汽车产业加快提升技术生态位水平、增强国际竞争力提出建议。
英文摘要：
On the basis of analyzing the impact mechanism of network structure on industry technological niche, this paper collects patent data of auto industry during the period from 1989 to 2011 in China, uses social net-work analysis to establish the collaborative innovation networks in different periods, calculates characteristic value of the whole network structure, and uses the IPC classification number measures technology niche breadth and overlap, then makes the hypothesis tested. The results indicate that the network density, centrality have an inverted U-shaped relationship with industry technology niche breadth, the relationship between network cluster coefficient and industry technology niche overlap shows U-shaped. In accordance with the empirical results, this paper pro-vides useful advices for the government making policies on industrial innovation, industrial upgrading, and helps the auto industry speed up the technology niche level, enhance the international competitiveness.
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