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| 自由贸易试验区对绿色创新效率的影响研究 |
| Study on the Impact of Pilot Free Trade Zones on Green Innovation Efficiency |
| 投稿时间：2025-03-07 修订日期：2025-04-28 |
| DOI： |
| 中文关键词: 自由贸易试验区 绿色创新效率 多期双重差分法 |
| English Keywords:pilot free trade zone green innovation efficiency multi-period double-difference approach |
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| 中文摘要: |
| 本研究利用2004至2021年中国284个城市的面板数据,借助双重差分法,探讨了自由贸易试验区政策对绿色创新效率的影响。研究结果显示,该政策显著提升了试点地区的绿色创新效率,且多重稳健性检验验证了这一结论的可靠性。机制分析显示,此政策通过促进绿色技术创新、增强产业聚集和减少资源依赖来提高试点地区的绿色创新效率。此外,发现该政策在东部、沿海及资源依赖度低的城市中效果更为显著。 |
| English Summary: |
| This study explores the impact of the pilot free trade zone policy on green innovation efficiency with the help of the double-difference method using panel data from 284 cities in China from 2004 to 2021. The findings show that this policy significantly enhances the green innovation efficiency in the pilot area, and multiple robustness tests verify the reliability of this conclusion. Mechanism analyses show that this policy improves green innovation efficiency in the pilot region by promoting green technology innovation, enhancing industrial agglomeration and reducing resource dependence. In addition, the policy is found to be more effective in eastern, coastal and low resource-dependent cities. |
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