创新网络的建构与完善对推动区域创新发展具有重要意义。文章采用2010—2019年专利合作数据,以上海大都市圈为对象,借鉴“蜂鸣—管道”模型,构建区县单元间与区县单元内的创新网络,并分析蜂鸣与管道对都市圈内创新产出不均衡的异质性影响。结果表明：①上海大都市圈的创新网络呈现出本地蜂鸣与区域管道相互交织的格局;根据蜂鸣与管道的组合特征,不同区县可分为“网络型”“外向型”“孤岛型”和“内向型”4类。②蜂鸣与管道总体上会促进区县单元的创新产出,但过于紧密的蜂鸣和管道则与区县单元创新产出间存在倒“U”型关系。③中国的都市圈创新发展要综合考虑不同创新合作模式对创新产出的差异化影响,充分发挥本地与区域创新网络的正外部性,并避免过强蜂鸣与管道带来的负外部性。
Innovation networks play vital roles in driving regional innovation development. Based on the patent cooperation data in 2010-2019 and taking Shanghai metropolitan region as the research area, this paper uses the buzz-and-pipeline model to construct the innovation cooperation networks at the county level,and analyzes the heterogenous effects of buzz-pipeline on the uneven innovation output of the region. The study reveals that: 1) The innovation networks in the Shanghai metropolitan region have evolved into a tightly intertwined structure combining local buzz and regional pipelines. The districts within the region can be classified into four categories based on the different combinations of buzz and pipelines: network type,outward type,island type and inward type. 2) The presen1ce of both buzz and pipelines in the innovation networks positively contributes to innovation output at the district level. However,an inverted "U" shaped relationship between the connectivity of buzz-pipeline and the innovation output is observed. 3) The innovation development of China's metropolitan areas should comprehensively consider the differentiated impact of different innovation cooperation models on innovation output;it should take full advantage of the positive externalities of local and regional innovation networks and avoid the negative externalities of over-strong buzz and pipeline.
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