School of Economics and Management, Nanchang University, Nanchang, 330031, Jiangxi, China.
Research Center of the Central China for Economic and Social Development, Nanchang University, Nanchang, 330031, China.
Environ Sci Pollut Res Int. 2023 Jul;30(34):81896-81916. doi: 10.1007/s11356-022-22694-6. Epub 2022 Aug 27.
Although the digital economy has become a new driving force for development worldwide, it is still unclear how digital economy development affects green total factor energy efficiency (GTFEE). Using panel data from 281 prefecture-level cities in China from 2003 to 2018, this study empirically analyzes the effect of digital economy development on GTFEE by adopting a dynamic panel model, a mediation effect model, a dynamic threshold panel model, and a spatial Durbin model. The empirical results show that digital economy development has a significantly negative direct effect on GTFEE. The digital economy can impact GTFEE by the mechanisms of electrification, hollowing out of industrial scale, and hollowing out of industrial efficiency. Neither innovation nor environmental regulations significantly change this negative impact. The dynamic threshold panel model shows a nonlinear relationship between digital economy development and GTFEE, which indicates that the effect of digital economy development on GTFEE significantly inverts from negative to positive as the digital economy develops. In addition, GTFEE has a significantly positive spatial correlation, and the digital economy has a positive spatial spillover effect on GTFEE.
虽然数字经济已成为全球发展的新动力，但数字经济发展如何影响绿色全要素能源效率（GTFEE）仍不清楚。本文利用 2003-2018 年中国 281 个地级市的面板数据，采用动态面板模型、中介效应模型、动态门槛面板模型和空间 Durbin 模型，实证分析了数字经济发展对 GTFEE 的影响。实证结果表明，数字经济发展对 GTFEE 具有显著的负向直接影响。数字经济可以通过电气化、产业规模空心化和产业效率空心化等机制来影响 GTFEE。创新和环境规制都没有显著改变这种负面影响。动态门槛面板模型显示数字经济发展与 GTFEE 之间存在非线性关系，表明随着数字经济的发展，数字经济发展对 GTFEE 的影响由负转正。此外，GTFEE 具有显著的空间相关性，数字经济对 GTFEE 具有正向的空间溢出效应。
