政策有什么影响吗? 评估中国空气污染防治行动计划对碳排放的影响
Junqiao Ma1, Anbang Wang1, Zongyuan Weng2
1College of Economics and Managemen, Huazhong Agricultural University, Wuhan 430070, China.
Journal of environmental management
|October 15, 2024
概括
中国的空气污染预防和控制行动计划 (APPCAP) 对碳排放产生了复杂的影响,最初增加了碳排放,但后来显示出抑制的趋势. 它的影响因地区和政策阶段而异.
科学领域:
- 环境科学 环境科学
- 经济学 经济学 经济学
- 政策分析 政策分析
背景情况:
- 与碳中和目标平衡环境质量至关重要.
- 中国的空气污染预防和控制行动计划 (APPCAP) 是一个关键的环境政策.
- 了解政策对城市碳排放的影响对于可持续发展至关重要.
研究的目的:
- 调查APPCAP对中国城市碳排放的影响.
- 分析APPCAP对碳排放的双重影响和影响因素.
- 为优化环境政策提供见解,以实现碳峰值和碳中和.
主要方法:
- 利用了来自中国274个城市 (2006-2020) 的面板数据.
- 使用差异差异 (DID) 方法来评估政策影响.
- 分析了APPCAP与碳排放之间的反向U形关系.
主要成果:
- 实施APPCAP导致碳排放平均每年增加1.637亿,抑制趋势不显著.
- 该政策在"源预防"阶段在减少排放方面最有效,但后来观察到反弹效应.
- 影响在人口密度较低,环境监管强度较高的地区更为显著,尤其是在非工业/非资源城市.
结论:
- APPCAP对碳排放产生了双重影响,最初增加,随后出现潜在的长期抑制趋势.
- 政策的有效性有所不同,由于能源消耗的补偿性增加,观察到反弹效应.
- APPCAP对碳排放强度和经济增长产生了积极的影响,特别是促进了二级工业.
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