中国人口·资源与环境2025，Vol.35Issue(8)：112-122,11.DOI:10.12062/cpre.20250114
中国城市绿色创新合作网络的结构特征及形成机制
Structural characteristics and formation mechanisms of the Chinese urban green innovation cooperation network
摘要
Abstract
Green innovation cooperation is an important pathway for cultivating green new productive forces and promoting green econom-ic development.This study utilized joint authorization data for green invention patents among Chinese cities from 2000 to 2022 to construct an urban green innovation cooperation network.Based on network visualization methods and employing a rolling window approach with an-nual window periods,this study comprehensively applied a general temporal model and a separable temporal exponential random graph model to examine the urban green innovation cooperation network,accurately identifying the structural characteristics and formation mech-anisms of the network across different time periods.The findings revealed that:① The Chinese urban green innovation cooperation net-work evolved from non-existence to existence,and from sparsity to density,with the number of cities involved in green innovation coopera-tion continuously increasing and the overall connectivity and density of the network significantly improving.The network structure exhibit-ed characteristics of a"small-world"and"core-periphery"power-law distribution.② Using the general temporal model,the study found that the power-law distribution of the Chinese urban green innovation cooperation network was influenced by both preferential attachment and node fitness mechanisms,with significant differences in node fitness among different cities.③ Further employing the separable tempo-ral exponential random graph model,the study found that the Chinese urban green innovation cooperation network was a result of the com-bined effects of intrinsic network attributes,node characteristics,and external factors,with varying core driving factors at different stages.Among these,network transitivity,node fitness,and the geographical distance between cities consistently showed significant influence coef-ficients,serving as the main factors affecting the formation of the city-level green innovation cooperation network.The homogeneity effects of economic level,and R&D innovation intensity between cities were not significant,while the preferential attachment effect and the differ-ences in industrial structure and pollution level between cities showed insignificant influence in the early stages but gradually strengthened over time.To comprehensively promote the construction of the Chinese urban green innovation cooperation network and achieve balanced regional economic development,the study recommends further cultivating urban green innovation hubs in cities to leverage the preferential attachment effect;strengthening green innovation cooperation among urban agglomerations to enhance the transitivity effect;and improving the economic strength of node cities to narrow the gap in node fitness.关键词
城市绿色创新合作网络/复杂网络分析法/结构特征/形成机制Key words
urban green innovation cooperation network/complex network analysis/structural characteristic/formation mechanism分类
经济学引用本文复制引用
朱兰,叶濯缨..中国城市绿色创新合作网络的结构特征及形成机制[J].中国人口·资源与环境,2025,35(8):112-122,11.基金项目
国家社会科学基金重大项目"统筹推进碳达峰碳中和与扩大内需战略研究"(批准号:24VRC030) （批准号:24VRC030）
中国社会科学院青年人文社会科学研究中心社会调研项目"新能源汽车'出海'与国际竞争优势培育"(批准号:2025QNZX009) （批准号:2025QNZX009）
中国社会科学院经济大数据与政策评估实验室资助项目(批准号:2024SYZH004). （批准号:2024SYZH004）
