确定不同数字集成模式的碳强度:考虑数字产品的位置
Kejuan Sun1, Youfu Yue2, Lafang Wang3
1School of Economics, Henan University of Economics and Law, Zhengzhou, 450016, China.
Journal of environmental management
|June 29, 2025
概括
数字化整合通常碳密度低于总碳密度,但逆向整合比前向整合更碳密集. 了解这些数字化整合模式是全球低碳转型的关键.
科学领域:
- 环境科学 环境科学
- 经济学 经济学 经济学
- 数字化转型 数字化转型
背景情况:
- 全球低碳转型受数字和非数字部门整合的影响.
- 确定数字和非数字部门的有效整合模式至关重要,但目前还不够.
- 现有的研究缺乏一个全面的框架来分析数字化整合的碳影响.
研究的目的:
- 构建基于数字产品位置的数字集成的新型分解框架.
- 测量和比较全球和跨经济体/部门的各种数字化整合模型的碳强度.
- 为优化数字一体化提供见解,以实现低碳发展.
主要方法:
- 使用国家间输入输出 (ICIO) 模型进行分析.
- 从数字产品定位的角度来看,分解数字集成.
- 从1995年到2020年,测量了19个经济体和10个行业的碳强度.
主要成果:
- 全球和整个经济的数字化整合显示出碳强度低于整体碳强度.
- 数字后向集成显示了比前向集成更高的碳密度,特别是在下游数字活动中.
- 在特定的经济体 (如中国,韩国) 和行业 (如电力,制造业) 中,碳强度关系的显著变化被观察到.
结论:
- 数字化整合为降低碳密度提供了潜力,但模型的具体情况很重要.
- 政策干预应考虑不同数字化整合途径 (向后与向前,上游与下游) 的不同碳影响.
- 需要有针对性的战略来利用数字中游集成来减少关键非数字行业的碳排放.
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