基于创业板企业子母公司联系的全国城市网络研究

Research on China’s Urban Network Based on Parent-subsidiary Companies Listed on the Growth Enterprise Market

在推动国内国际双循环发展体系构建的背景下,城市网络研究对促进区域协同发展、推动国内大循环体系建设具有重要意义。本研究以创业板企业子母公司城市分布联系表征城市网络,依据社会网络分析方法,借助社会网络分析软件Ucinet量化分析,研究了2004—2019年全国城市网络发展现状和变化趋势,并分析了城市网络形成的影响因素。研究结果表明:(1)全国城市网络呈现复杂化、连通化、多层次的发展特征;(2)全国城市网络重心由东南沿海逐步向中西部地区倾斜;(3)经济实力显著影响城市在全国城市网络中的地位;(4)区域协同发展导向推动全国城市网络演进。

Under the dual circulation development strategy,urban network research is of great significance to promoting the development of regional coordination and the construction of domestic circulation system.This study characterizes urban network with the urban distribution of parent-subsidiary companies listed on the Growth Enterprise Market(GEM),using social network analysis method and Ucinet software to reveal the development status and change trend of national urban network from 2004 to 2019.The factors influencing urban network formation were also discussed.Results show that:(1)the national urban network is complex,connected and multilayered;(2)the center of gravity of national urban network is gradually tilted from the southeast coastal areas to the central and western regions;(3)city’s economic power significantly affects its status in the whole urban network;(4)regional coordinated development orientation promotes the evolution of the national urban network.