在经合组织国家运输部门测试环境库兹涅茨曲线假设:一个动态的小组门方法
Abdurrahman Nazif Çatik1, Ali İlhan2, Coşkun Akdeniz3
1Department of Economics, Ege University, İzmir, Turkey.
Environmental science and pollution research international
|December 27, 2023
概括
环境库兹涅茨曲线 (EKC) 假设在经合组织国家运输部门得到了支持. 经济增长最初增加,然后减少二氧化碳 (CO2) 排放,突出显示了对绿色技术投资的需求.
科学领域:
- 环境经济学环境经济学
- 运输研究 运输研究
- 计量经济学 计量经济学
背景情况:
- 环境库兹涅茨曲线 (EKC) 假设表明,环境退化最初会随着经济增长而恶化,但在收入水平上升时会有所改善.
- 交通部门是二氧化碳 (CO2) 排放的重要贡献者,因此其对环境的影响对政策至关重要.
- 之前的研究并没有使用先进的经济计量方法充分探索经济增长和运输二氧化碳排放之间的非线性关系.
研究的目的:
- 为了测试EKC假设,特别是在经合组织国家运输部门.
- 调查国内生产总值 (GDP) 与运输产生的二氧化碳排放之间的非线性关系.
- 分析道路石油产品消费,可再生能源和贸易开放对运输二氧化碳排放的影响.
主要方法:
- 动态面板值回归使用一般化方法的时刻 (GMM) 估计器.
- 对28个经合组织国家的数据分析,从1990年到2019年.
- 使用人均GDP作为过渡变量来确定值效应.
主要成果:
- 该研究发现有统计学意义的证据支持人均GDP和运输二氧化碳排放之间的非线性,反转的U形关系,证实了EKC假说.
- 确定了两种不同的制度:在较低的制度中,经济增长加剧了排放,而在较高的制度中,它导致了环境改善.
- 道路石油产品消费,可再生能源和贸易开放被发现会影响运输的二氧化碳排放,尽管主要关注点仍然是EKC关系.
结论:
- 这些发现证实了经合组织国家运输部门的EKC假设,表明经济增长最终可以导致减少二氧化碳排放.
- 可持续的经济增长至关重要,特别是为了使对环保技术的投资能够减轻与运输相关的二氧化碳排放.
- 政策干预应侧重于通过战略投资和技术进步促进向EKC上级制度的过渡.
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