| China is in a period of rapid development of cleaning production.Pollution reduction has become the only way to achieve sustainable development in our country.The implementation of environmental policy has become a necessary means to achieve cleaning production.Enterprises as the main sector of pollution reduction,the impact of the implementation of environmental policies on green technologies in enterprises has become an important research topic.Under the regulation of environmental policy,there is uncertainty in corporate behavior.Based on the perspective of pollutant emissions,the paper analyzes the impact of environmental regulation tools and R&D investment on green technological innovation.From the macro perspective of social welfare,this paper establishes a cost-benefit model using the concept of environmental economics of discrete-time model and pollutant stock,constructs a dynamic model of cost-benefit considering R&D investment level and technological evolution,and finally draws a conclusion that environmental regulation tools Choose the basis.On the other hand,under the circumstance that enterprises disclose false environmental protection information,based on the perspective of cost minimization,this paper considers the possibility of R&D investment,the existence of false environmental information and the regulatory role of the government on enterprises.R&D investment and environmental regulation tools Mathematical model of green technology innovation in enterprises.Finally,empirical research is conducted on the panel data of enterprises in above-scale industries,and the impact of environmental regulation and R&D investment on green technology innovation is verified from practical experience.Through setting mathematical model,the following conclusions are drawn:First,there is a critical condition for the regulation effect of environmental regulation on corporate emission reduction and the relative advantages of green technological innovation.The main factor that determines the relative advantages of environmental regulatory instruments is enterprise R&D The slope of marginal revenue from input efficiency and emission reduction.Second,the emission tax rate,the trading price of sewage and government subsidy levels are negatively correlated with the emissions of pollutants.The government can properly adjust the sewage tax rate to promote green technology innovation,but the tax rate should not be too high;the government can control the trading volume of emissions trading indirectly regulate the price of sewage trading rights,thereby promoting green technology innovation;appropriate government subsidies to help improve the sewage Green technology innovation.Thirdly,under the action of environmental regulation tools,the impact of R&D investment on green technology innovation has a stage effect and a lagged effect.The current R&D investment has no obvious promotion effect on green technology innovation.Fourth,the true extent of disclosure of environmental information by enterprises depends on the intensity of government regulation and the severity of policies.The greater the intensity of government regulation and the more stringent environmental policies,the more likely the enterprises are to provide real environmental information.The conclusion drawn from the empirical research framework is as follows:Environmental regulation has a positive effect on green technology innovation,and the phased and lagging effects of R&D investment are obvious.Finally,using the above mathematical model and empirical analysis of the results obtained,and based on the characteristics of China’s green technology innovation and the implementation of environmental policies to give reasonable suggestions. |
