城市网络外部性研究述评
程玉鸿(1969— ),男,江苏滨海人,博士,研究员,硕士生导师,研究方向为城市与区域经济、城市地理与规划。E-mail: sgcyh@163.com |
收稿日期: 2020-06-24
修回日期: 2020-10-12
网络出版日期: 2021-06-28
基金资助
国家自然科学基金面上项目(71673113)
粤港澳大湾区发展广州智库年度重点课题(2019GZWTZD06)
广州市人文社科重点基地自设项目(20JNZS58)
Review on the urban network externalities
Received date: 2020-06-24
Revised date: 2020-10-12
Online published: 2021-06-28
Supported by
National Natural Science Foundation of China(71673113)
Guangdong-Hong Kong-Macao Greater Bay Area Development Guangzhou Think Tank Key Issues(2019GZWTZD06)
Self-established Project of Guangzhou Humanities and Social Sciences Key Base(20JNZS58)
城市网络研究已成为国际上城市研究的前沿学术领域并渐成热点,外部性作为城市网络的本质属性,对城市网络的演化及城市与区域的发展均具有重要意义。论文从集聚外部性与网络外部性比较的视角切入,重点对城市网络外部性形成机理、效用和测度方法等方面的研究进展进行梳理和评述。其中,协同效应、整合效应和规模借用被认为是城市网络外部性形成的重要原因。而城市网络外部性的效用研究较多集中在2个方面:一是关注要素流动对知识扩散和创新的促进作用,二是关注城市网络对竞争力提升和经济增长的影响。从已有文献来看,城市网络外部性测度研究主要涉及识别和估算2种类型,包括3种常用方法:关联分析、回归分析和空间计量分析。未来需要进一步关注的问题包括城市网络的外部性理论认识、外部性量度方法以及经验研究问题。
程玉鸿 , 苏小敏 . 城市网络外部性研究述评[J]. 地理科学进展, 2021 , 40(4) : 713 -720 . DOI: 10.18306/dlkxjz.2021.04.015
Urban network research has become the frontier academic field of international urban research and has gradually become a hot spot. At present, the related literature on "urban network" mostly focuses on conceptual discussion, dimension analysis, and network structure analysis. Research on the influence of network on regional economic development is relatively weak. Externality, as an essential attribute of urban network, is of great significance to the evolution of urban network and the development of cities and regions. This article starts from a comparison of agglomeration externalities with urban network externalities, focusing on the review and evaluation of the formation mechanism, utility, and measurement methods of urban network externalities. The synergy effect, integration effect, and borrowing size are considered important reasons for the formation of urban network externalities. The research on the effectiveness of urban network externalities focuses on two aspects. The first is the role of factor flow in promoting knowledge diffusion and innovation, and the second is the impact of urban network on competitiveness and economic growth. Based on the existing literature, the research on the measurement of urban network externalities mainly involves identification and estimation, including three common methods: correlation analysis, regression analysis, and spatial econometric analysis. The existing empirical research on externalities is still mostly based on static analysis and lacks dynamic consideration. To a large extent, the existing research has insufficient theoretical framing and insufficient explanatory power, often resulting in the discovery of conditional associations, but not causal relationships. The Western research on urban network externalities is relatively early and mainly focuses on the global and regional dimensions, while Chinese scholars focus on the national and regional dimensions. In terms of empirical methods and objects, Chinese scholars have also made some innovations based on the study of world city network. The issues that need further attention in the future include theoretical understanding of urban network externalities, externality measurement methods, and empirical research.
Key words: urban network; externalities; regional development; review
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