| 地方政府投资对区域技术创新的影响效应研究——基于门槛回归模型的实证分析 |
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| 引用本文： | 吕慧.地方政府投资对区域技术创新的影响效应研究——基于门槛回归模型的实证分析[J].科技管理研究,2022,42(8):52-58. |
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| 作者姓名： | 吕慧 |
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| 作者单位： | 中国财政科学研究院,北京 100142 |
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| 摘 要： | 探究地方政府投资对区域技术创新的影响效应，在阐述地方政府投资对区域技术创新作用机理的基础上，采用2005—2019年我国30个省份的面板数据构建固定效应模型进行有效性检验，同时构建面板门槛模型进行异质性分析。结果显示：（1）地方政府投资能够显著提升地区的技术创新水平；（2）地方政府投资对地区技术创新水平的影响存在双重门槛效应，其中，当地方政府投资作为门槛变量时，门槛值分别是0.010和0.109；当开放水平作为门槛变量时，门槛值分别是0.186和0.852。得到政策启示如下：政府应继续在基础设施领域以及创新性项目方面加大投资，但投资水平应保持在合理范围内，此外应适当引资充分发挥外资的示范效应。
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| 关 键 词： | 政府投资 技术创新 门槛回归 固定效应模型 |
| 收稿时间： | 2022/1/5 0:00:00 |
| 修稿时间： | 2022/5/9 0:00:00 |
Effect of Local Government Investment on Regional Technological Innovation:An Empirical Analysis Based on Threshold Regression Model |
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| Lyu Hui.Effect of Local Government Investment on Regional Technological Innovation:An Empirical Analysis Based on Threshold Regression Model[J].Science and Technology Management Research,2022,42(8):52-58. |
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| Authors: | Lyu Hui |
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| Abstract: | Local government investment is not only an important engine of economic development, but also a key factor affecting the level of regional technological innovation.On the basis of explaining the role mechanism of local government investment on regional technological innovation, this paper uses the panel data of 30 provinces from 2005 to 2019 to build a fixed-effect model for regression analysis, and constructs a panel threshold model to test the influence of local government investment on regional technological innovation under heterogeneity.The research results show that: (1) local government investment significantly improves the level of technological innovation within the jurisdiction; (2) based on the heterogeneity of investment level and openness, the impact of local government investment on regional technological innovation level has a dual threshold effect, and it is in the threshold range with a great impact on regional technological innovation. |
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| Keywords: | local government investment regional technology innovation impact mechanism threshold regression model |
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