所得税税收优惠对企业创新的影响研究——基于制造业上市公司的微观证据

Research on the Influence of Income Tax Preference on Enterprise Innovation:Based on Micro Evidence of Manufacturing Listed Companies

科技创新彰显了经济社会发展的巨大成就,创新始终是驱动发展的关键,世界各国为抢占未来创新的制高点,纷纷出台多种加强创新的策略部署,以税收优惠激励企业创新的方式最为普遍。文章选取2012—2017年深沪A股制造业企业为研究样本,构建倾向得分匹配模型,探究以高新技术企业税率优惠为代表的所得税优惠政策对企业自主创新的影响。实证结果显示,所得税优惠对制造业企业加大创新投入具有明显的促进作用;同时,对产权异质性制造业企业的激励效果不同,对非国有企业的激励效果明显高于国有企业。

Scientific and technological innovation shows the great achievements of economic and social development,and innovation is always the key to driving development.In order to seize the commanding point of future innovation,countries around the world have issued a variety of strategies to strengthen innovation,and the most common way to encourage enterprise innovation is tax preference.This paper selects A-share manufacturing enterprises in Shanghai and Shenzhen from 2012 to 2017 as the research sample,constructs the tendency score matching model,and explores the impact of the income tax preferential policies represented by the preferential tax rates of high-tech enterprises on the independent innovation of enterprises.The empirical results show that the preferential corporate income tax has a significant role in promoting the innovation investment of manufacturing enterprises.At the same time,the incentive effect of non-state-owned enterprises is significantly higher than that of state-owned enterprises.