中国的农业三维污染排放效率:一个评估系统和影响因素
1School of Public Administration, Tianjin University of Commerce, Tianjin 300134, China.
The Science of the total environment
|October 17, 2023
概括
这项研究介绍了农业三维污染排放效率 (ATPEE),并发现了中国的重大改进潜力. 区域分析揭示了ATPEE的差异,突出了管理和技术差距.
科学领域:
- 农业经济学 农业经济学
- 环境科学 环境科学
- 计量经济学 计量经济学
背景情况:
- 关于农业碳排放的传统研究往往是片面的.
- 缺乏对农业三维污染排放效率 (ATPEE) 的全面了解.
- 技术异质性是评估污染排放效率的关键因素.
研究的目的:
- 开发和评估一个包含技术异质性的ATPEE系统.
- 从1997年到2021年,评估中国的ATPEE.
- 确定影响区域ATPEE变化的因素.
主要方法:
- 在总因子框架内的元边界非辐射定向距离函数 (NDNDF) 模型.
- 在中国大陆30个省份对ATPEE的评估.
- 托比特模型用于分析影响因素.
主要成果:
- 显著的ATPEE改进潜力为75.16% (元边境) 和50.88% (组边境).
- 中国东部展现出近乎最佳的污染排放技术;中西部地区明显落后.
- ATPEE损失归因于管理效率低下 (东/西) 和技术差距 (中部).
结论:
- 在ATPEE中存在区域差异,由明显的低效率驱动.
- 政策干预应考虑区域技术异质性和特定的低效率来源.
- 工业化,收入差距和农业结构等因素在不同地区对ATPEE的影响不同.
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