如何协调区域数字经济发展改善空气质量? 来自空间并发方程分析的新证据
1College of Statistics and Applied Mathematics, Anhui University of Finance and Economics, Bengbu, 233030, China.
Journal of environmental management
|June 4, 2023
概括
区域数字经济发展 (RDEC) 和空气质量有着互利的关系. 改善的RDEC提高了空气质量,而更清洁的空气也提高了RDEC,在区域之间观察到显著的空间溢出效应.
科学领域:
- 环境科学 环境科学
- 经济学 经济学 经济学
- 地区研究 地区研究
背景情况:
- 经济增长往往导致环境污染,促使全球转向数字经济.
- 发展数字经济被视为一种平衡经济进步与环境保护的战略.
研究的目的:
- 研究区域数字经济发展 (RDEC) 与空气质量之间的双向关系.
- 开发一个省级的RDEC指标,并使用PM2.5度测量空气污染.
主要方法:
- 使用城市级数据,开发一个省级的RDEC指标.
- 通过年平均PM2.5度来测量空气污染.
- 应用一个空间并发方程模型来分析因果关系.
主要成果:
- 发现了一个显著的双向因果关系:RDEC改善了空气质量,改善的空气质量增强了RDEC.
- 确定了空间溢出效应,区域RDEC和空气质量对邻近的RDEC产生负面影响,但对邻近的空气质量产生积极影响.
- 绿色总因子生产率,工业结构和创业精神间接影响RDEC对空气质量的影响.
结论:
- 该研究证实了数字经济发展与空气质量之间的共生关系,这种关系由生产力和经济交流等因素介导.
- 政策干预应考虑空间的相互依赖性和 RDEC 和空气质量相互影响的间接途径.
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