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运用社会网络分析法构建了基于3752个专利数据的协作研发网络,重点分析了区域层面的网络演化过程以及发明者层面的网络结构特征。研究结果表明,地区开放程度和经济发展水平是影响区域创新主体参与跨国协作研发活动的潜在因素;发达地区的内部和跨国协作研发活动频率及强度远高于与内陆区域之间的合作创新活动,反映出我国在R&D国际化进程中吸收的技术知识更多地聚集在发达地区,先进知识的跨区域流动机制有待进一步完善。
Using the method of social network analysis, a collaborative R & D network based on 3752 patent data was constructed, focusing on the network evolution at the regional level and the network structure characteristics at the inventor level. The results show that the degree of regional openness and the level of economic development are the potential factors that influence the participation of regional innovators in cross-border collaborative R & D activities. The frequency and intensity of internal and cross-border collaborative R & D activities in developed regions are much higher than those in inland regions , Reflecting that our country’s technical knowledge absorbed in the process of R & D internationalization has gathered more in the developed areas and that the cross-regional mobility mechanism of advanced knowledge needs to be further improved.