可持续发展视角下京津冀财政科技支出的创新驱动效应研究

Research on the Innovation-Driven Effect of Fiscal Expenditure on Science and Technology in the Beijing-Tianjin-Hebei Region from the Perspective of Sustainable Development

建设北京 (京津冀) 国际科技创新中心是国家重要战略部署, 财政科技支出作为驱动区域创新的核心政策工具, 其效能直接决定了京津冀协同创新的发展水平。本文以2008—2024年京津冀三省市面板数据为样本, 采用面板校正标准误 (PCSE) 的双向固定效应模型, 实证检验财政科技支出对区域创新能力的影响及异质性特征, 并通过多维度稳健性检验、内生性处理与安慰剂检验验证结论可靠性。研究结果表明: 在京津冀区域, 财政对于科技的投入支出对该区域的创新能力提升展现出明显且积极的推动效应; 该效应在2015年《京津冀协同发展规划纲要》正式实施后显著增强, 且在北京、河北的驱动效果显著强于天津。本文丰富了区域协同背景下财政创新政策的相关研究, 为京津冀科创中心建设与精准化财政政策制定提供了实证依据。 

The construction of the Beijing (Beijing-Tianjin-Hebei) International Science and Technology Innovation Center is an important national strategic deployment. As a core policy tool to drive regional innovation, the effectiveness of fiscal expenditure on science and technology directly determines the development level of collaborative innovation in the Beijing-Tianjin-Hebei region. Taking the panel data of Beijing, Tianjin, and Hebei from 2008 to 2024 as samples, this paper empirically tests the impact of fiscal expenditure on science and technology on regional innovation capability and its heterogeneity by using the two-way fixed effect model of panel-corrected standard errors (PCSE) . It further verifies the reliability of the conclusion through multi-dimensional robustness tests, endogeneity treatment and placebo tests. The results show that: In the Beijing-Tianjin-Hebei region, the fiscal expenditure on science and technology has an obvious and positive driving effect on the improvement of the innovation capability; this effect was significantly enhanced after the official implementation of the Outline of the Coordinated Development Plan for the Beijing-Tianjin-Hebei Region in 2015, and the driving effect in Beijing and Hebei was significantly stronger than that in Tianjin. This paper enriches the relevant research on fiscal innovation policies under the background of regional synergy, and provides an empirical basis for the construction of the Beijing- Tianjin-Hebei Science and Technology Innovation Center and the formulation of precise fiscal policies.