数字金融影响用水强度的机制及门槛效应研究

Research on the mechanism and threshold effect of digital finance affecting waterintensity

数字金融为推动节水型社会建设带来新机遇。基于我国30个省份2011—2019年数据,运用固定效应模型、中介效应模型和门槛模型,实证检验数字金融对用水强度的影响。研究表明:数字金融显著降低了用水强度,数字金融能够通过促进产业结构升级和技术创新水平间接降低用水强度,数字金融对用水强度的抑制作用具有产业结构升级的单一门槛效应和技术创新水平的双重门槛效应。因此,提出如下针对性建议:大力发展数字金融,促进节水社会建设;合理优化产业结构,充分发掘节水潜力;持续提高技术创新,加快提升用水效率。

Digital finance brings new opportunities to promote the construction of a water-saving society.Based on the data of 30 provinces in China from 2011 to 2019,the fixed effect model,mesomeric effect model and threshold model are used to empirically test the impact of digital finance on water use intensity.Research has shown that digital finance significantly reduces water intensity.Digital finance can indirectly reduce water intensity by promoting industrial structure upgrading and technological innovation level.The inhibitory effect of digital finance on water intensity has a single threshold effect of industrial structure upgrading and a double threshold effect of technological innovation level.Based on the conclusion,targeted suggestions are proposed:vigorously develop digital finance and promote the construction of a water-saving society;Reasonably optimize industrial structure and fully tap into water-saving potential;Continuously improve technological innovation and accelerate the improvement of water efficiency.