中国资源型城市网络外部性及其对经济绩效的影响  

Network externalities and their impact on economic performance in resource-based cities of China

作　　者：卢硕 夏四友 张文忠[1,3] 李佳洺 LU Shuo;XIA Siyou;ZHANG Wenzhong;LI Jiaming(Institute of Geographic Sciences and Natural Resources Research,CAS,Beijing 100101,China;Department of Geography,University at Buffalo-SUNY,Buffalo 14261,USA;College of Resources and Environment,University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院地理科学与资源研究所,北京100101 [2]纽约州立大学布法罗分校地理系,布法罗14261 [3]中国科学院大学资源与环境学院,北京100049

出　　处：《资源科学》2024年第10期1996-2008,共13页Resources Science

基　　金：第二次青藏高原综合考察研究项目(2019QZKK0406);国家自然科学基金项目(42471203,42171178)。

摘　　要：【目的】单一的产业结构和封闭式的发展模式导致资源型城市长期忽略了网络外部性的潜在影响。探讨网络外部性对其经济绩效的作用机制,有助于促进这些城市的可持续转型与经济增长。【方法】本文首先构建网络外部性影响资源型城市经济绩效的理论框架,然后分析2001—2019年中国340个城市网络演化特征,最后通过建立计量模型,检验了集聚经济外部性和城市网络外部性对资源型城市和非资源型城市经济绩效的影响以及投资和创新的调节效应。【结果】研究发现:(1)资源型城市在全国企业组织网络的网络嵌入性显著提升,但与非资源型城市相比仍存在明显差距。且资源型城市与网络中的核心城市联系相对较少,普遍处于中国城市网络的外围。(2)投资、创新以及城市网络外部性均显著促进经济增长,但集聚经济外部性对资源型城市经济增长的影响并不显著。特别是在网络嵌入的初期,资源型城市相对于非资源型城市,在利用城市网络外部性方面表现出明显的异质性。(3)创新和投资对城市网络外部性与经济增长之间的关系存在显著正向调节效应,而城市网络外部性也显著促进创新和投资对经济增长的正向影响,符合交互对称性。【结论】积极融入更广泛的区域城市网络、提升资源型城市的投资吸引力和创新能力,是推动资源型城市实现转型与经济增长的关键策略。[Objective] The development of resource-based cities is trapped in a dilemma due to a singular industrial structure and a closed development model.Exploring the mechanism of impact of network externalities on the economic performance of these cities is of great significance for promoting their economic growth and sustainable development.[Methods] This study first elaborated on the mechanism of impact of urban network externalities on the economic performance of resource-based cities,then analyzed the characteristics of change of the Chinese urban network from 2001 to 2019,and finally established an econometric model to test the impact of agglomeration economic externalities and urban network externalities on the economic performance of both resource-based and non-resource-based cities.[Results] The findings are as follows:(1) The network embeddedness of resource-based cities in the national organizational network had increased significantly,but there was still a considerable gap compared to nonresource-based cities.Resource-based cities had relatively fewer connections with core cities in the network and were generally located on the periphery of the urban network.(2) Investment,innovation,and urban network externalities significantly promoted economic growth.Particularly in the early stages of network embeddedness,resource-based cities showed greater heterogeneity and benefit potential in leveraging urban network externalities compared to non-resource-based cities.However,agglomeration economic externalities did not have a significant impact on the economic growth of resource-based cities.(3) Innovation and investment had a significant positive moderating effect on the relationship between urban network externalities and economic growth,and urban network externalities also significantly enhanced the positive impact of innovation and investment on economic growth,aligning with the principle of interaction symmetry.[Conclusion]Actively integrating into broader regional urban networks and enhancing the investment a

关 键 词：网络外部性 集聚外部性 经济绩效 度数中心性 资源型城市 中国 

分 类 号：F124[经济管理—世界经济]