加强国家自治创新示范区对城市技术创新效率的影响
Mei He1, Zhixiong Fan2, Yanrui Chen3
1School of Business, Gansu University of Political Science and Law, Lanzhou, 730070, Gansu, China.
Scientific reports
|July 11, 2025
概括
国家独立创新示范区 (NIIDZ) 在四年后提高了城市科学和技术创新 (STI) 的效率. 它们的空间影响因距离而异,在区域范围内促进创新,而在当地抑制创新.
科学领域:
- 城市研究 城市研究
- 创新政策 创新政策 创新政策
- 区域科学 地区科学
背景情况:
- 国家独立创新示范区 (NIIDZ) 是科技创新 (STI) 的关键驱动力.
- 现有研究表明,关于NIIDZ不断提高城市STI效率,其潜在机制和空间影响的持续辩论正在进行中.
- 了解这些动态对于优化创新驱动发展至关重要.
研究的目的:
- 系统地调查NIIDZ对城市STI效率的影响.
- 确定NIIDZs的时间效应和空间溢出效应.
- 阐明NIIDZ通过哪些机制影响城市STI效率.
主要方法:
- 利用了2006年至2020年间中国274个城市的面板数据.
- 采用多期差异差异,量子和空间德宾模型.
- 进行了机制分析,以探索影响途径.
主要成果:
- 从NIIDZ建立后的第四年开始,它对城市STI效率产生了积极影响,并具有持久的影响.
- 空间效应取决于距离:抑制在110公里内,促进在110-410公里之间,在360公里处达到顶峰.
- 这些机制包括因素聚合,创新环境优化和工业结构升级.
结论:
- 在中长期内,NIIDZ对城市STI效率产生了积极的影响.
- NIIDZs的空间影响表现出一个细微的,取决于距离的模式.
- 因素聚合,改进的创新环境和工业转型是NIIDZ影响的关键途径.
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