| 研发费用加计扣除政策与企业全要素生产率 |
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| 引用本文： | 研发费用加计扣除政策与企业全要素生产率.研发费用加计扣除政策与企业全要素生产率[J].科学学研究,2021,39(10):1790-1802. |
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| 作者姓名： | 研发费用加计扣除政策与企业全要素生产率 |
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| 作者单位： | 厦门大学经济学院财政系 |
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| 摘 要： | 在创新驱动发展战略、供给侧结构性改革和减税降费等政策背景下，研究研发费用加计扣除政策对企业全要素生产率的影响具有重要的意义。本文以财税〔2015〕119号文件的颁布作为准实验，使用2008-2017年沪深两市上市公司为研究样本，采用双重差分法，考察研发费用加计扣除政策对企业全要素生产率的影响。研究发现：（1）研发费用加计扣除政策的施行能够显著提升企业的全要素生产率；（2）研发费用加计扣除政策对企业全要素生产率的提升是通过提高企业的研发投入而实现的；（3）这一政策效果在不同地区、不同规模、不同行业竞争程度以及不同生命周期的企业中存在显著差异。基于上述结论，本文提出了完善我国研发费用加计扣除政策的建议。
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| 收稿时间： | 2020-09-15 |
R&D Expenses Plus Deduction Policy and Total Factor Productivity of Enterprises |
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| Abstract: | In the context of the “innovation-driven development” strategy, supply-side structural reforms and tax and fee reduction policies. Research on the economic effects of R&D expenses plus deduction policy has important theoretical and practical significance. This paper treats the promulgation of Cai Shui〔2015〕No.119 as a quasi-experiment, uses the listed companies in Shanghai Stock Exchange and Shenzhen Stock Exchange from 2008 to 2017 as research samples, applies the method of Difference-in-Difference (DID) to study, investigates the impact of R&D expenses plus deduction policy on total factor productivity of enterprises. This paper obtains the following conclusions: (1) The implementation of R&D expenses plus deduction policy can significantly increase the total factor productivity of enterprises. (2) The significantly positive impact of R&D expenses plus deduction policy on total factor productivity of enterprises is achieved by increasing the R&D investment of enterprises. (3) The effect of this policy varies significantly among enterprises in different regions, different scales, different levels of competition in different industries and different life cycles. Based on the above conclusions, this paper puts forward some suggestions to improve the policy of additional deduction of r&d expenses in China. |
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