政府补贴对环保上市企业研发投入的影响研究
Research on the Impact of Government Subsidies on R & D Investment of Listed Environmental Protection Enterprises
摘要: 随着双碳目标和创新驱动战略的实施，国家对环保企业的研发投入力度不断加大。本文构建政府补贴和研发投入之间的模型，以2017~2021年中证指数环保产业成分股的上市公司数据进行实证分析，研究结果表明：政府补贴对环保上市企业研发投入呈显著正相关关系，环保上市企业研发投入随着政府补贴的增加而增多；研发投入与企业规模成负相关关系，说明政府补贴对年轻成长型企业创新投入的作用更加明显；环保企业产权性质使政府补贴对研发投入的影响存在异质性，政府补贴都正向促进国有环保企业和非国有环保企业研发投入的影响，但是对非国有企业的促进作用更强。鉴于此，本文根据目前国情，认为在环保产业领域，政府可以调整资助重心，优先于资助近几年新型上市的非国有企业，加大对他们的补贴力度。同时，完善进一步对绿色低碳政策和市场化机制丰富完善，加大财政支持力度，可以采取多种多样的补贴方式。
Abstract: With the implementation of the dual-carbon target and the innovation-driven strategy, the state has increased its R & D investment in environmental protection enterprises. This paper constructs a model between government subsidies and R & D input, and conducts an empirical analysis based on the data of listed companies in the environmental protection industry of China Securities Index from 2017 to 2021. The research results show that government subsidies have a significant positive correlation with the R & D input of listed companies in environmental protection, and the R & D input of listed companies in environmental protection increases with the increase of government subsidies. There is a negative correlation between R & D input and firm size, which indicates that government subsidies play a more significant role in innovation input of young growing firms. The nature of property rights of environmental protection enterprises makes the impact of government subsidies on R & D input heterogeneous. Government subsidies positively promote the impact of R & D input of state-owned and non-state-owned environmental protection enterprises, but have a stronger promoting effect on non-state-owned enterprises. In view of this, according to the current national conditions, this paper believes that in the field of environmental protection industry, the government can adjust the focus of subsidies, rather than subsidizing the newly listed non-state-owned enterprises in recent years, and increase the subsidies to them. At the same time, we will further improve green and low-carbon policies and market-based mechanisms, increase financial support, and adopt a variety of subsidies.
文章引用：张洪玮. 政府补贴对环保上市企业研发投入的影响研究[J]. 运筹与模糊学, 2023, 13(3): 1839-1848. https://doi.org/10.12677/ORF.2023.133183

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