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作 者:魏思琦 吉敏全[1] WEI Siqi;JI Minquan(School of Finance and Economics,Qinghai University Xining,Qinghai 810000)
出 处:《中国商论》2023年第21期18-22,共5页China Journal of Commerce
基 金:青海省社会科学界联合会揭榜制重大社科研究项目(202102)。
摘 要:基于西部地区11个省市2011—2020年的面板数据,本文运用超效率SBM模型和均等权重赋值法分别测算全要素碳排放效率和高质量发展指数,采用双向固定效应模型分析外商直接投资对碳排放效率的影响,利用门槛模型分析高质量发展的门槛作用。结果显示:西部地区外商直接投资与碳排放效率之间呈现非线性关系,仅在中低高质量水平门槛区间外商直接投资显著促进碳排放效率提升,跨越高门槛后该促进作用不再显著;两者关系具有地域差异,主要表现为西北地区的促进作用和西南地区的抑制作用。Based on the panel data of 11 provinces and cities in the western regions from 2011 to 2020,this paper applies the super-efficiency SBM model and the equal-weight assignment method to measure the total-factor carbon emission efficiency and the high-quality development index,respectively;it adopts the two-way fixed-effects model to analyze the impact of foreign direct investment on the carbon emission efficiency;and it uses the threshold model to analyze the threshold role of high-quality development.The results show that there is a non-linear relationship between foreign direct investment and carbon emission efficiency in the western regions,and foreign direct investment significantly promotes carbon emission efficiency only in the threshold interval of medium and low high-quality levels,and the promotion effect is no longer significant after crossing the high threshold;the relationship has geographical differences,which mainly manifests itself as the promotion effect in the northwestern regions and the inhibition effect in the southwestern regions.
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