Collected Essays on Finance and Economics ›› 2022, Vol. 38 ›› Issue (10): 25-37.

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Does the Tax Burden of Individual Income Tax Restrain the Innovation of Science and Technology? An Empirical Study from the Perspective of Human Capital

LIU Jie   

  1. Chinese Academy of Fiscal Sciences, Beijing 100142,China
  • Received:2022-01-13 Online:2022-10-10 Published:2022-10-12

个人所得税税负抑制了科技创新吗?——基于人力资本视角的实证研究

刘杰   

  1. 中国财政科学研究院,北京 100142
  • 作者简介:刘杰(1996—),女,河北张家口人,中国财政科学研究院博士生。

Abstract: Based on the transmission mechanism analysis of individual income tax and human capital on scientific and technological innovation, this paper analyzes the impact of individual income tax burden and human capital on scientific and technological innovation by using provincial panel data from 2008 to 2020. The results show that the increase of individual income tax burden has a a significant inhibitory effect on job-related and non job-related scientific and technological innovation, and the inhibitory effect mainly comes from labor income tax. The mechanism test analysis shows that the impact of individual income tax and human capital on scientific and technological innovation has a significant correlation. The individual income tax burden affects scientific and technological innovation by affecting the upgrading of human capital structure and private human capital investment, while its effect on human capital flow is not significant. The above conclusion provides theoretical and empirical basis for deepening the reform of individual income tax, promoting the improvement of human capital and the innovation of science and technology.

Key words: Individual Income Tax, The Structure of Tax Burden, Human Capital, The Innovation of Science and Technology

摘要: 本文基于个人所得税与人力资本对科技创新的传导机理分析,运用2008—2020年省级面板数据,实证分析了个人所得税税负与人力资本对科技创新的影响效应。研究表明:个人所得税税负的提高对职务和非职务科技创新均具有显著抑制效应,且抑制效应主要来源于劳动所得税。机制检验分析表明:个人所得税税负通过影响人力资本结构高级化和私人人力资本投资作用于科技创新,但其对人力资本流动的作用不明显。以上研究结论为深化个人所得税改革、促进人力资本和科技创新水平的提高提供了理论和经验依据。

关键词: 个人所得税, 税负结构, 人力资本, 科技创新

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