智慧城市建设 (SCC) 对污染排放 (PE) 的影响:来自中国的证据
GuoWei Zhang1, XianMin Sun2, Shen Zhong3
1School of Economics, Harbin University of Commerce, Harbin, 150028, China. guoweizgw@163.com.
Scientific reports
|March 20, 2024
概括
智慧城市的建设大大减少了污染,包括污水排放,SO2和尘埃排放. 这些环境改善是由规模,结构和技术效应驱动的,提高了城市整体质量.
科学领域:
- 环境科学 环境科学
- 城市研究 城市研究
- 经济学 经济学 经济学
背景情况:
- 不断增长的城市化需要可持续发展战略.
- 在许多发展中城市地区,污染仍然是一个关键的挑战.
- 智能城市倡议在全球范围内越来越多地实施.
研究的目的:
- 评估智能城市建设对中国城市污染排放的影响.
- 确定智能城市建设影响污染的机制.
- 分析不同类型城市中这种影响的异质性.
主要方法:
- 利用了来自中国210个县级城市 (2003-2021) 的面板数据.
- 采用了时间变化的差异差异 (DID) 方法.
- 使用倾向性得分匹配-DID.验证的结果.
主要成果:
- 智慧城市建设 (SCC) 显著减少了污水排放量 (VSD),SO2和烟雾和尘埃排放量 (EFD).
- 机制包括规模,结构和技术效应.
- 省会,受教育程度较低的城市和大城市的污染减少更强.
结论:
- 智慧城市建设是缓解城市污染和改善环境质量的有效策略.
- 通过多种经济和技术道实现积极的环境影响.
- 政策影响表明,考虑到城市特点,量身定制的智慧城市战略.
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