摘要
文章采用改进引力模型和社会网络分析方法,分析2011-2021年长江经济带各城市数字普惠金融空间关联网络的结构特征与演进趋势.结果显示:(1)长江经济带数字普惠金融空间关联不断密切,整体协调性增加,区域差异缩小,经济带自上而下、自西向东呈空间关联逐渐加强的非均衡性联系网络.(2)空间关联网络主要通过苏州、上海、无锡、南京、杭州、武汉、常州、宁波等核心城市推动,核心城市的控制能力、溢出效应有限,自东向西的辐射过程中不断减弱.(3)空间关联网络可以划分为四大板块,下游的上海、南京和无锡等13个城市属于"净收益者";扬州、南通和镇江等15个城市扮演"双向溢出"角色;温州、蚌埠和淮北等44个城市扮演着"经纪人"角色;位于中上游及偏离主干道地区的湘潭、恩施和常德等58个城市属于"净溢出"角色.
Abstract
This paper adopts the improved gravity model and social network analysis to analyze the structural characteristics and evolutionary trends of the spatial linkage network of digital financial inclusion in cities in the Yangtze River Economic Belt from 2011 to 2021.The results are as follows.(1)The spatial correlation of digital inclusive finance in the Yangtze River Economic Belt is increasingly close,overall coordination improves,regional differences decrease,and the economic belt presents a non-equilibri-um network of gradually strengthening spatial correlation from top to bottom and from west to east.(2)The spatial correlation net-work is mainly promoted through core cities such as Suzhou,Shanghai,Wuxi,Nanjing,Hangzhou,Wuhan,Changzhou,and Ningbo.The control ability and spillover effects of core cities are limited,and the radiation process from east to west continues to weaken.(3)The spatial correlation network can be divided into four major sectors,with 13 downstream cities including Shanghai,Nanjing,and Wuxi acting as the"net beneficiaries";15 cities including Yangzhou,Nantong,and Zhenjiang playing the role of"two-way spillover";44 cities including Wenzhou,Bengbu,and Huaibei acting as"brokers";58 cities,including Xiangtan,Enshi,and Changde,located in the middle and upper reaches and off the main roads playing the role of"net spillover".
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