基于环境规制实际强度与拐点强度距离视角解读了中国绿色全要素生产率区域不平衡的形成机理，并依据2001—2019年中国省（区、市）工业部门数据进行了实证检验。结果显示：环境规制实际强度与绿色全要素生产率之间呈“U”形关系，中国环境规制因实际强度整体较弱而对绿色全要素生产率的作用是负向的，但样本期末环境规制的实际强度已迈过拐点强度，继续严格实施环境规制有助于绿色全要素生产率提升；由于企业技术创新能力较强和行业结构绿色化程度较高，东部地区的环境规制拐点强度较低，其与中西部地区的差距在逐步拉大；在中国区域间环境规制政策非均衡实施的背景下，东部地区环境规制实际强度相对于中西部地区明显较高，而环境规制拐点强度又较低，即环境规制实际强度与拐点强度的距离较大，导致东部地区原本领先于中西部地区的绿色全要素生产率优势进一步彰显，中国绿色全要素生产率区域不平衡问题不断加剧。

From the perspective of the distance between the actual intensity and the inflection point strength of environmental regulations, this study interprets the formation mechanism of regional imbalances in China’s green total factor productivity (GTFP ) .An empirical test is conducted based on provincial-level industrial sector data in China from 2001 to 2019. The results reveal a “U-shaped” relationship between the actual intensity of environmental regulations and GTFP. Due to the overall weak actual intensity of environmental regulation during the sample period, its impact on green total factor productivity is negative. However, as the actual intensity of environmental regulation surpasses the inflection point intensity at the end of the sample period, continued strict implementation of environmental regulation contributes to the enhancement of green total factor productivity. Owing to the strong technological innovation capabilities of enterprises and a higher level of industry structure greenization, the inflection point intensity of environmental regulation in the eastern region is relatively lower than that in the central and western regions. In the context of uneven implementation of environmental regulation policies in different regions in China, the eastern region exhibits relatively higher actual intensity of environmental regulation compared with the central and western regions, coupled with a lower inflection point intensity. This substantial distance between the actual intensity and inflection point intensity accentuates the pre-existing advantage of GTFP in the eastern region over the central and western regions, contributing to the escalating issue of regional imbalances in China’s GTFP.

F124.6

广东省哲学社会科学规划项目（GD21CY J19；GD17CYJ09）