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    经济经纬 2025 Issue (1) :16-27
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    数字基础设施、空间溢出效应与全要素生产率
邓丽1, 陆扬2, 钟章奇1
1.广东外语外贸大学 经济贸易学院,广东 广州 510006;
2.广西民族大学 经济学院,广西 南宁 530006
    Digital Infrastructure, Spatial Spillover Effect and Total Factor Productivity
    DENG Li1, LU Yang2, ZHONG Zhangqi1
1. School of Economics and Trade, Guangdong University of Foreign Studies, Guangzhou 510006, China;
2. School of Economics, Guangxi Minzu University, Nanning 530006, China
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摘要 以我国2007—2021年284个城市为例,从空间视角探讨了数字基础设施对城市全要素生产率的影响及其潜在的空间溢出效应。研究发现:(1)数字基础设施显著促进了本地城市全要素生产率提升,推动了技术进步、规模效率和配置效率改进;(2)数字基础设施对周边其他城市全要素生产率提升具有正向空间溢出效应,但这种效应在局部地区并不显著,并且数字基础设施的空间溢出效应会随着地理距离的增加而逐步衰减,对不同城市群和不同区域城市的影响存在异质性;(3)数字基础设施可以通过推动技术溢出、加快产业结构升级和整合市场进而对城市全要素生产率提升产生促进作用并形成溢出效应。研究结论厘清了数字基础设施对城市全要素生产率的实际作用效果和影响机制,为如何有效利用数字基础设施以促进经济增长提质增效提供了有益参考。
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邓丽
陆扬
钟章奇
关键词数字基础设施   全要素生产率   空间溢出效应   地理距离衰减规律   空间杜宾模型     
Abstract: Taking 284 cities in China from 2007 to 2021 as examples, this paper discusses the impact of digital infrastructure on urban total factor productivity and its potential spatial spillover effects from a spatial perspective. The findings are as follows: (1) Digital infrastructure has significantly promoted the improvement of total factor productivity in local cities and promoted technological progress, scale efficiency and allocation efficiency improvements; (2) Digital infrastructure has a positive spatial spillover effect on the improvement of total factor productivity in other surrounding cities, but it is not significant in some areas. Moreover, the spatial spillover effect of digital infrastructure will gradually diminish with the increase of geographical distance, and the impact on different urban agglomerations and cities in different regions is heterogeneous; (3) Digital infrastructure can promote the improvement of urban total factor productivity and form spillover effects by promoting technology spillovers, accelerating industrial structure upgrading and integrating markets. The paper clarifies the actual effects and impact mechanisms of digital infrastructure on urban total factor productivity, providing useful references for how to effectively utilize digital infrastructure to promote economic growth and improve efficiency.
KeywordsDigital Infrastructure   Total Factor Productivity   Spatial Spillover Effect   Attenuation Law of Geographical Distance   Spatial Durbin Model     
收稿日期 2024-07-11; 接受日期 ;
基金资助:国家社会科学基金重大项目(23&ZD102)
通讯作者 钟章奇(1985— ),男,湖南岳阳人,博士,教授,博士生导师,主要从事区域科学与经济政策模拟研究。   
作者简介: 邓丽(1994— ),女,广东惠州人,博士研究生,主要从事区域经济增长和数字经济研究;陆扬(1994— ),男,广西河池人,博士,讲师,主要从事区域经济学研究
引用本文:   
邓丽, 陆扬, 钟章奇.数字基础设施、空间溢出效应与全要素生产率[J].  经济经纬, 2025,1: 16-27
DENG Li, LU Yang, ZHONG Zhangqi.Digital Infrastructure, Spatial Spillover Effect and Total Factor Productivity[J]  Economic Survey, 2025,V42(1): 16-27
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