城市更新提升城市代谢效率了吗?——来自双重差分法与空间杜宾模型的检验证据
Does Urban Renewal Improve Urban Metabolic Efficiency?Evidence from DID and Spatial Durbin Model
王伟龙 1王健龙 1李中锋1
作者信息
摘要
基于2004-2020年中国280个地级市面板数据,以老旧小区试点作为城市更新的准自然实验,采用双重差分法和空间杜宾模型检验城市更新对城市代谢效率的影响.研究发现:城市更新显著且稳健地提升了城市代谢效率.机制分析显示城市更新主要通过催化产业结构升级、促进绿色投资、带动消费升级和完善基础设施建设四条路径提升城市代谢效率.空间相关性检验结果表明,城市代谢效率具有显著的空间正相关性.空间溢出效应结果显示,城市更新对本地和邻近地区城市代谢效率提升均具有显著的推动作用.
Abstract
Based on the panel data of 280 prefectural-level cities in China from 2004 to 2020,the impact of urban renewal(UR)on urban metabolic efficiency(UME)is examined using the difference in difference(DID)method and spatial Durbin model,using the old neighborhood pilot as a quasi-natural experiment of UR.This study reveals that UR significant-ly and robustly enhances UME.Mechanism analysis shows that UR enhances UME mainly through four paths:catalyzing in-dustrial structure upgrading,promoting green investment,driving consumption upgrading,and improving infrastructure con-struction.The spatial correlation test result indicates that UME has a significant positive spatial correlation.The results of spatial spillover effects demonstrate that UR significantly drives UME enhancement in local and neighboring regions.
关键词
城市更新/城市代谢效率/影响机制/双重差分法/空间溢出Key words
urban renewal/urban metabolic efficiency/influence mechanism/difference in difference method/spatial spillo-ver引用本文复制引用
出版年
2024
NETL
NSTL
万方数据