Research on Impact of New Large-scale Tax and Fee Reduction on Total Factor Productivity of Enterprises: A Case Study of NEEQ Enterprises

In order to evaluate the policy effect of a new round of large-scale tax reduction and fee reduction reasonably, this paper takes the relevant financial data of listed enterprises on the New Third Board from 2015 to 2023 as sample data, constructs a panel breakpoint regression model, and calculates its policy processing effect on enterprise TFP. The results show that the implementation of a new round of large-scale tax reduction and fee reduction in 2019, and that the average total factor productivity of enterprises has increased by about 1.1%