网络基础设施、包容性绿色增长与地区差距——基于双重机器学习的因果推断

被引:226
作者
张涛 [1 ]
李均超 [2 ]
机构
[1] 中国社会科学院大学经济学院
[2] 中国社会科学院大学应用经济学院
基金
国家自然科学基金重大项目;
关键词
“宽带中国”; 包容性绿色增长; 区域协调; 双重机器学习;
D O I
10.13653/j.cnki.jqte.20230310.005
中图分类号
F124.5 [资源开发与利用]; F49 [信息产业经济];
学科分类号
020106 ; 1201 ;
摘要
党的二十大报告指出要推动经济实现质的有效提升和量的合理增长。全球数字化浪潮下,网络基础设施对中国践行更为绿色、更具包容性的经济增长路径产生了深远影响。本文基于2010~2020年中国城市层面数据,在测算282个地级及以上城市包容性绿色增长水平的基础上,以“宽带中国”战略为准自然实验,采用双重机器学习模型探究了网络基础设施对城市包容性绿色增长的影响效应及内在机制,并进一步考察了网络基础设施的区域协调效应。研究发现:网络基础设施的推广普及对城市包容性绿色增长具有显著正向影响,尤其体现在促进经济增长和改善收入分配格局方面;就影响机制而言,网络基础设施能够通过提升城市创新水平、鼓励大众创业行为、改善居民就业质量以及促进数字普惠金融发展来影响包容性绿色增长;与交通基础设施相比,网络基础设施对包容性绿色增长的正向影响更甚,且对不同类型城市具有异质性表现;另外,网络基础设施弱化了传统地理优势,能够在全国、地区以及省份层面降低经济发展差距,具有显著的区域协调效应。本文不仅进一步完善了包容性绿色增长的现有分析框架,更为政府推动宽带战略落地、缩小区域发展差距以及促进经济高质量发展提供政策启示。
引用
收藏
页码:113 / 135
页数:23
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