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数字经济对碳排放强度的影响——外国直接投资的调节作用
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Abstract:
数字经济的快速广泛发展为达到碳排放峰值和碳减排工作注入了新的动力，也预示着能源领域的重大变革。本文选取2010~2019年70个主要国家的面板数据作为样本，利用熵值法构建衡量各国数字经济发展水平的指标体系，研究各国数字经济发展与碳排放强度的发展状况。本研究利用包含曲线调节效应的回归模型，研究碳排放强度如何受到数字经济的影响，同时也考虑了外国直接投资(FDI)的调节作用。研究结果明确证实，数字经济与碳排放之间存在显著的倒U型关系。随着数字经济的发展，它从促进碳排放转向减少碳排放。改善外国直接投资在调节数字经济与碳强度的关系中发挥了关键作用。在外国直接投资的调节作用下，曲线的形状趋于平缓。基于以上结论，本文提出了有针对性的建议，以抑制碳排放，进一步改善生态环境。
The rapid and widespread development of digital economy has given renewed impetus to efforts to peak and reduce carbon emissions, and has heralded significant changes in the energy sector. In this paper, panel data of 70 major countries from 2010 to 2019 are selected as samples, and an indicator system is constructed to measure the level of digital economy development in each country using the entropy weight method to study the development status of digital economy development and carbon emission intensity in each country. This research utilizes a regression model incorporating curve moderating effects to investigate how the carbon emission intensity is influenced by the digital economy, while also considering the moderating influence of foreign direct investment (FDI). The findings unequivocally confirm the presence of a noteworthy U-shaped relationship between the digital economy and carbon emissions. As the digital economy progresses, it moves from supporting to reducing carbon emissions. Improving FDI plays a critical part in regulating the digital economy’s relationship to carbon intensity. The shape of the curve is flattened by the moderating effect of FDI. Based on the obtained conclusions, the paper puts forward targeted recommendations in order to curb carbon emissions and further improve the ecological environment.
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