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    新基建能否实现减污降碳协同效应——来自特高压输电工程的证据
张梦雨1, 马晓钰1,2
1.新疆大学 经济与管理学院,新疆 乌鲁木齐 830046;
2.新疆大学 新疆创新管理研究中心,新疆 乌鲁木齐 830046
    Can New Infrastructure Achieve Synergistic Effects of Pollution and Carbon Reduction: Evidence from UHV Transmission Projects
    ZHANG Mengyu1, MA Xiaoyu1,2
1. School of Economics and Management, Xinjiang University, Urumqi 830046, China;
2. Xinjiang Innovation Management Research Center, Xinjiang University, Urumqi 830046, China
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摘要 基于2006—2022年中国277个地级市面板数据,利用多期双重差分法检验特高压输电工程对城市减污降碳协同效应的影响。研究发现:特高压输电工程能够实现减污降碳协同效应,该结论经过一系列稳健性检验后依然成立。机制分析表明,特高压输电工程能够通过能源结构优化效应、绿色技术创新效应、产业集聚效应和人才集聚效应促进城市减污降碳协同。异质性分析表明,特高压输电工程有助于提升落点城市、终点城市和中东部地区的减污降碳协同水平,对起点城市和西部地区的政策效果不明显;相比于特高压直流工程、非重点输电通道以及低电力依赖地区,特高压交流工程、12条重点输电通道以及高电力依赖地区的减污降碳协同效应更强。拓展性分析显示:一方面,特高压输电工程能够通过空间溢出效应带动邻近城市实现减污降碳协同效应,且存在地理距离衰减特征;另一方面,特高压输电工程具有经济和环境的综合效应,能够协同推进降碳、减污、扩绿、增长。研究结论不仅丰富了基础设施建设和减污降碳相关的文献,也为政府有序推进新基建政策提供了经验参考。
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张梦雨
马晓钰
关键词特高压输电工程   新基建   减污降碳   能源结构优化   绿色技术创新     
Abstract: Based on panel data from 277 prefecture-level cities in China from 2006 to 2022, this study employs a multi-period difference-in-differences approach to examine the impact of ultra-high voltage transmission projects on the synergistic effects of urban pollution and carbon reduction. The results indicate that ultra-high voltage transmission projects can achieve synergistic effects of pollution and carbon reduction. This conclusion holds robust after a series of rigorous tests. The mechanism analysis reveals that ultra-high voltage transmission projects can promote urban synergistic pollution reduction and carbon mitigation through the effects of energy structure optimization, green technology innovation, industrial agglomeration and talent concentration. The heterogeneity analysis indicates that ultra-high voltage transmission projects help enhance the synergistic pollution and carbon reduction levels in terminal cities, endpoint cities and the central-eastern regions, while the policy effects are not significant in starting cities and the western regions. Compared with ultra-high voltage DC projects, non-key transmission channels, and areas with low electricity dependency, the synergistic effects of pollution and carbon reduction are stronger in ultra-high voltage AC projects, the 12 key transmission channels and areas with high electricity dependency. The extended analysis reveals that, on the one hand, ultra-high voltage transmission projects can drive neighboring cities to achieve synergistic pollution reduction and carbon mitigation through spatial spillover effects, which exhibit a decay pattern with increasing geographical distance. On the other hand, these projects demonstrate comprehensive economic and environmental benefits, enabling the coordinated advancement of carbon reduction, pollution control, green expansion and economic growth. The research findings not only enrich the literature on infrastructure construction and pollution reduction and carbon reduction, but also provide valuable insights for governments to advance new infrastructure policies in an orderly manner.
KeywordsUHV Transmission Projects   New Infrastructure Construction   Pollution and Carbon Reduction   Optimization of Energy Structure   Green Technological Innovation     
收稿日期 2025-03-30; 接受日期 ;
基金资助:国家社会科学基金西部项目(21XRK007)
通讯作者 马晓钰(1978— ),女,回族,新疆乌鲁木齐人,博士,教授,博士生导师,主要从事人口、资源与环境经济学研究   
作者简介: 张梦雨(1997— ),女,河南郑州人,博士研究生,主要从事新基建与绿色经济发展研究。
引用本文:   
张梦雨, 马晓钰.新基建能否实现减污降碳协同效应——来自特高压输电工程的证据[J].  经济经纬, 2026,1: 17-31
ZHANG Mengyu, MA Xiaoyu.Can New Infrastructure Achieve Synergistic Effects of Pollution and Carbon Reduction: Evidence from UHV Transmission Projects[J]  Economic Survey, 2026,V43(1): 17-31
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