税收优惠对专精特新"小巨人"企业新质生产力的影响效应与作用机制OACHSSCD

Focusing on the data samples of A-share listed"Little Giant"enterprises from 2018 to 2023.This paper conducts an in-depth empirical analysis of the impact and mechanism of tax incentives on the new quality productivity of these enterprises by the two-way fixed effect model.The research results show that tax incentives have a significant promoting effect on the improvement of new quality productivity of"little giant"enterprises,and this conclusion remains stable after multiple robustness tests.The heterogeneity analysis reveals that the incentive effect of tax incentives shows differences in terms of enterprise scale and life cycle.Specifically,it has a more prominent effect on large-scale and growth-stage enterprises.The mechanism analysis indicates that the degree of R&D inno-vation and enterprise performance,as mediating factors,play a bridging role in the process of tax incentives promot-ing the improvement of new quality productivity,while government subsidies play a positive regulatory role in this process.Based on this,the following suggestions are put forward:the government should increase the intensity of tax incentives and improve the subsidy mechanism,ensure the precise implementation of tax incentive policies.And the enterprises should stimulate vitality and increase R&D investment to promote innovation development and improve overall performance,so as to comprehensively enhance the new quality productivity of specialized,refined,distinctive and innovative"little giant"enterprises.