技术创新对黄河流域地区和长江经济带碳生产率影响路径比较——基于数字金融的中介效应  

Comparison of the impact paths of technological innovation on carbon productivity in the Yellow River Basin and the Yangtze River Economic Belt:Mediation effect based on digital finance

作　　者：宋成镇 刘庆芳 马伟 杨定 宋金平 李柄泓 SONG Chengzhen;LIU Qingfang;MA Wei;YANG Ding;SONG Jinping;LI Binghong(Faculty of Geographical Science,Bejing Normal University,Beijing 100875,China)

机构地区：[1]北京师范大学地理科学学部,北京100875

出　　处：《资源科学》2024年第3期450-461,共12页Resources Science

基　　金：国家自然科学基金项目(42171170);国家重点研发计划项目(2023YFC3205600)。

摘　　要：[目的]本文旨在探讨技术创新对碳生产率的影响路径,充分发挥技术创新的减碳增效能力,为推动区域高质量发展和双碳目标实现提供参考。[方法]本文以黄河流域地区和长江经济带为研究区域,运用STIRPAT模型探讨技术创新对碳生产率的影响路径,并构建中介效应模型检验数字金融的中介作用。[结果]①技术创新能够促进碳生产率水平提升,且影响效果存在区域异质性。技术创新对碳生产率的提升效果表现为长江经济带强于黄河流域地区。②数字金融在技术创新与碳生产率之间存在部分中介效应,技术创新能够通过促进数字金融发展提升区域碳生产率水平。数字金融的中介效果也表现为长江经济带强于黄河流域地区。③提高城镇化率和经济发展水平能够提升黄河流域地区碳生产率水平。提高城镇化率和经济发展水平,加快产业结构升级,能够提升长江经济带碳生产率水平。[结论]本文建议提升城市技术创新能力,推动数字金融与传统产业深度融合,强化区域产业技术交流与合作,促进黄河流域地区和长江经济带产业绿色化转型,进而实现区域低碳可持续发展。[Objective]The purpose of this paper is to explore the impact path of technological innovation on carbon productivity,give full play to the carbon reduction and efficiency enhancement capabilities of technological innovation,and provide a reference for promoting regional high-quality development and the realization of the dual carbon goals.[Methods]Taking the Yellow River Basin and the Yangtze River Economic Belt as research regions,this study examined the influence path of technological innovation on carbon productivity and the mediation effect of digital finance by constructing a stochastic impacts by regression on population,affluence,and technology(STIRPAT)model and a mediation effect model respectively.[Results]The results show that:(1)Technological innovation of cities can improve regional carbon productivity levels,and the impact of technological innovation on carbon productivity exhibits regional heterogeneity.The impact of technological innovation on carbon productivity is stronger in the Yangtze River Economic Belt than in the Yellow River Basin.(2)Digital finance can partially mediate the impact of technological innovation on carbon productivity.Technological innovation can improve regional carbon productivity through digital finance.The mediation effect of digital finance is stronger in the Yangtze River Economic Belt than in the Yellow River Basin.(3)Improving the level of urbanization and economic development can promote the improvement of carbon productivity in the Yellow River Basin,and improving the level of urbanization and economic development and accelerating the upgrading of industrial structure can promote the improvement of carbon productivity in the Yangtze River Economic Belt.[Conclusion]This study suggests that local governments should enhance the technological innovation capabilities of cities,promote the deep integration of digital finance and traditional industries,strengthen regional industrial technology exchange and cooperation,promote the green transformation of industries in the

关 键 词：技术创新 数字金融 碳生产率 STIRPAT模型 中介效应 黄河流域地区 长江经济带 

分 类 号：X321[环境科学与工程—环境工程] F124.3[经济管理—世界经济] F49F832