Characteristics and Proximity Analysis of Urban Innovation Network Based on Marine Industry

GUO Jianke, TIAN Dongcui

Areal Research and Development ›› 2024, Vol. 43 ›› Issue (1) : 46-52.

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Areal Research and Development ›› 2024, Vol. 43 ›› Issue (1) : 46-52. DOI: 10.3969/j.issn.10032363.2024.01.007

Characteristics and Proximity Analysis of Urban Innovation Network Based on Marine Industry

  • GUO Jiankea,b, TIAN Dongcuia,b
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Abstract

Based on the patent application data of marine industry cooperation from 2000 to 2020,this paper analyzes the topological structure,spatial pattern and proximity mechanism of China’s urban innovation network by using social network analysis and geodetector.The results show that: ① In terms of topological structure, urban innovation network does not have scale-free network characteristics in 2000 and 2001; from 2002 to 2020,the scale of the network gradually expanded,and inter-city cooperation increased.The network changed from loose to agglomeration with 2011 as the dividing point.The scale-free characteristics and small world of the network are gradually obvious, and the dual-core structure is gradually developed into the “ core-edge ” structure with Beijing as the single core.② In terms of spatial pattern,core cities and intermediary cities show regional characteristics,mainly concentrated in Beijing and Tianjin,Yangtze River Delta, Pearl River Delta and Shandong Peninsula.Urban innovation network forms a quadrilateral spatial pattern supported by triangular structure.③ Urban patent cooperation expands from coastal cities to inland cities,but the scientific and technological innovation of marine industry mainly relies on coastal cities such as Shenzhen,Qingdao,Shanghai,Tianjin,Guangzhou and a small number of inland cities such as Beijing and Wuhan.④ Social proximity has the highest explanatory power for urban innovation network,and the limitation of geographical distance on urban cooperation is gradually weakened.There is a nonlinear enhanced pairwise interaction between different proximity factors.

Key words

marine industry / cooperative patent / social network analysis / geodetector / multidimensional proximity / city innovation network

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GUO Jianke, TIAN Dongcui. Characteristics and Proximity Analysis of Urban Innovation Network Based on Marine Industry[J]. Areal Research and Development, 2024, 43(1): 46-52 https://doi.org/10.3969/j.issn.10032363.2024.01.007

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