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中国面临环境保护与经济发展双重压力,兼顾环境保护与经济发展的环境政策研究具有重要意义。通过在内生死亡率交叠世代模型中引入环境与寿命的关系,本文建立了考虑环境与寿命关系的内生经济增长模型,得到了环境税制度下经济动态路径,讨论了最优环境税问题。运用中国数据的数值分析展示了使稳态下社会总产出水平最大的最优环境税。本文的贡献是在环境税的研究中引入了环境与寿命的关系,并得到了使稳态下社会总产出水平最大的最优环境税。
China faces the dual pressures of environmental protection and economic development. It is of great significance to study environmental policies that take both environmental protection and economic development into account. By introducing the relationship between environment and life span in the overlap generation model of endogenous mortality, this paper establishes an endogenous economic growth model considering the relationship between environment and life span, obtains the economic dynamic path under the environment tax system, and discusses the optimal environmental tax . The numerical analysis using Chinese data shows the optimal environmental tax that maximizes the level of total social output in steady state. The contribution of this paper is to introduce the relationship between environment and life in the study of environmental tax and to get the optimal environmental tax that maximizes the total level of social output in steady state.