Re-examining the governance effect of China's environmental protection tax

Can environmental protection tax force enterprises to improve green technology innovation?

The introduction of an environmental protection tax enables a smooth shift from the sewerage charge system to the environmental protection tax scheme. This, in turn, promotes a more sustainable development of enterprise growth, emphasizing eco-friendliness. This is of immense importance in advancing environmentally aware practices and sustainability. Based on data collected from A-share listed companies in Shanghai and Shenzhen from 2014 to 2021, this paper investigates the influence of environmental protection taxes on the advancement of green technology and the underlying mechanisms. Taking the execution of the Environmental Protection Tax Law in 2018 as a quasi-natural experiment, a double-difference model is employed to examine the causal relationship between environmental protection taxes and the adoption of green technology by companies. The findings indicate that the introduction of an environmental tax could markedly enhance the extent of green technological innovation within corporations. The evidence arising from the testing mechanism implies that such a tax can encourage firms to boost their investments in research and development, upgrade their innovative human capital, and mitigate financing limitations. The study found that there is heterogeneity in the promotion effect of the environmental protection tax on the green technological innovation of businesses in different regions and provinces with varying tax burdens and types of equity capital. Further research shows that the environmental protection tax has a greater impact on the promotion of utility model patent applications for green technology innovation. This paper presents empirical evidence to support further enhancement of the environmental protection tax system. It recommends designing the environmental protection tax policy with consideration for enterprises and local conditions and bolstering the system's capacity for guiding and stimulating enterprises' green development.

Can the China's environmental tax reform improve the enterprises sustainable environmental protection practice?-from the perspective of ISO14001 certification

From the perspective of ISO14001 certification, we explored the impact of environmental protection tax on enterprises' long-term environmental practice decisions based on the differential-in-difference model. Our results show that environmental protection tax reform can promote enterprise ISO14001 certification behavior. This positive effect comes from increased enforcement intensity and compliance costs. When the external supervision and governance environment of enterprises is better (i.e., higher degree of marketization and media attention), the shock of environmental tax reform on enterprises' ISO14001 certification behavior is more significant. Heterogeneity analysis found that the promotion of environmental protection fees-to-tax conversion to ISO14001 certification behavior of enterprises is mainly reflected in non-state-owned key enterprises, small-scale enterprises, and high financing constraints enterprises. Economic consequences test shows that environmental tax policy can improve the green innovation of enterprises in the current and subsequent years, but it does not improve the financial performance in the short term. Our study provides supporting evidence to identify whether environmental tax is a long-term mechanism to promote voluntary environmental management by enterprises.