Study on the Impact of Environmental Tax on Corporate Green Innovation under the Dual Carbon Target based on A-Share Mining Listed Companies

Abstract

Will the collection of environmental protection tax promote the green innovation of enterprises? Under the call of the 20th National Congress of the Communist Party of China to increase pollution prevention and ecological protection, this paper is based on Porter's hypothesis, taking China's Shanghai and Shenzhen A -share industrial listed companies from 2010 to 2020 as the research object, and empirically tested the impact of environmental protection tax on corporate green innovation. The research finds that: environmental protection tax significantly promotes green innovation of enterprises, and presents a hysteresis feature, that is, the current environmental tax significantly improves the level of green innovation of enterprises in the next period and the next period. After analysis, it is found that the role of environmental tax in promoting green innovation of enterprises is mainly reflected in state-owned enterprises, large-scale enterprises, and enterprises with low financing constraints. The research conclusions theoretically enrich the literature on the research on the economic consequences of environmental taxes and the research on the influencing factors of corporate green innovation, and provide important inspiration for improving China's environmental tax system and improving corporate green innovation in practice.