数字经济发展能够缩小区域经济发展差异吗——基于“中心—外围”视角  被引量:19

Can the Development of the Digital Economy Narrow the Regional Economic Development Differences——Based on a "Center-Periphery" Perspective

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作  者:马为彪 吴玉鸣[1] Ma Weibiao;Wu Yuming

机构地区:[1]华东理工大学商学院

出  处:《财经科学》2023年第1期81-96,共16页Finance & Economics

基  金:国家自然科学基金面上项目“区域经济多极网络空间组织理论与实证研究”(72073045)的资助。

摘  要:数字经济正成为社会经济发展的新动能,对于缩小区域经济发展差距,促进区域协调发展具有深远影响。本文基于中心-外围视角,实证分析了2003—2019年中国250个地级市数字经济发展对区域经济发展差异的影响和作用机制。研究结果显示,数字经济发展有利于缩小中心一外围区域经济发展差异,在经过多种稳健性检验下结论依然成立。异质性的结果表明,数字经济发展显著缩小中西部区域经济发展差异,但对东部地区不显著;在信息基础设施更为发达和市场化程度更高的地区对区域经济发展差异的缩小效应更大。影响机制检验表明,数字经济发展通过提升市场潜能、增强城市经济联系和促进创新创业三个途径缩小区域经济发展差异;中心城市规模越大,数字经济发展对区域经济发展差异的减小效应也就越大。数字经济发展还存在明显的空间溢出效应,此外,进一步研究表明,中心城市发挥辐射作用的范围为250公里,距离中心城市越近,数字经济发展对外围城市经济增长的提升效应越明显,越能缩小与中心城市的经济发展差异。The digital economy is becoming a new driving force for social and economic development,which has a profound impact on narrowing the regional economic development gap and promoting coordinated regional development.Based on the center-periphery perspective,this paper uses principal component analysis to measure the level of digital economy development,and empirically analyzes the impact and mechanism of digital economy development of 250 prefecture-level cities in China on regional economic development differences between 2003 and 2019.The research results show that the development of the digital economy is conducive to narrowing the economic development difference between the central and peripheral regions,which remains stable after various robustness tests like replacing explanatory variables and explained variables,and using instrumental variables.Heterogeneous results show that the development of digital economy has significantly narrowed the differences of regional economic development in the central and western regions,but not in the eastern region;In regions with more developed information infrastructure and a higher degree of marketization,the development of digital economy has an greater reduction effect on regional economic development differences.The influence mechanism tests show that the development of digital economy narrows regional economic development differences through enhancing market potential,strengthening urban economic connections,and promoting innovation and entrepreneurship;the larger the scale of central cities,the bigger reduction effect of digital economic development on regional economic development differences.The result of spatial Dubin model shows that the development of digital economy has obvious spatial spillover effects,and the development of digital economy in the local area has enlarged the economic development difference between surrounding cities and central cities.In addition,further research shows that the range of the central city’s radiation effect is about 250 kilome

关 键 词:数字经济发展 经济发展差异 “中心—外围” 

分 类 号:F061.5[经济管理—政治经济学]

 

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