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本文通过在内生死亡率世代交叠模型中引入环境污染对生存概率的影响,建立了污染及污染治理和经济增长之间的关系,讨论了政府污染治理的条件和政府污染治理投入在总税收中的最优比例。研究表明,政府污染治理投入存在阈值条件;当阈值条件满足时,存在使社会总产出水平最高的政府最优污染治理投入比例。本文引用实际参数对理论结果进行了数值模拟,确定的政府最优污染治理投入比例能够较好地解释中国污染治理投入现状。
In this paper, the relationship between pollution and pollution control and economic growth has been established by introducing the influence of environmental pollution on the survival probability in the overlapping generation model of endogenous mortality. The conditions of government pollution control and the total tax revenue of government pollution control are discussed In the best ratio. The research shows that there is a threshold condition for the government investment in pollution control. When the threshold conditions are satisfied, there is the proportion of government optimal pollution control input that maximizes the total level of social output. In this paper, the actual parameters are used to simulate the theoretical results, and the proportion of the government optimal pollution control input determined can well explain the status quo of China’s investment in pollution control.