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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。
Based on the analysis of the influence mechanism of collaborative R & D network structure on industrial technology niche, this paper collects the joint patent application data of China’s automobile industry from 1989 to 2011 and builds a collaborative R & D network in different periods of automobile industry by using social network analysis method to calculate the overall network structure characteristics And use the IPC IPC data to measure the niche breadth of industry technology and the degree of niche overlap, and then test the hypothesis. The results show that the network density, centrality and niche breadth of collaborative R & D are inverted U-shaped, and the cohesion R & D network agglomeration coefficient has a U-shaped relationship with industrial niche overlap. According to the empirical results, it provides a reference for the government to introduce relevant industrial innovation and industrial transformation and upgrading policies, and puts forward suggestions for accelerating the enhancement of the technological niche and enhancing the international competitiveness of China’s automobile industry.