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本文通过建立一个可计算一般均衡模型,定量研究了征收硫税对中国二氧化硫排放和能源消费的影响。研究发现:硫税税率和减排率之间存在着明显的非线性特征,这种非线性特征在单一种类的能源消费和能源消费总量的变化上也有明显的体现;而且,征收硫税既能达到二氧化硫减排的目的,又对实际GDP没有产生过大的负面影响。研究还发现,征收硫税导致二氧化硫排放结构、能源消费数量和能源消费结构发生了变化,促进了含硫量低的能源对含硫量高的能源的替代。最后基于上述发现提出了若干政策建议。
In this paper, we establish a computable general equilibrium model to quantitatively study the impact of sulfur tax levied on sulfur dioxide emissions and energy consumption in China. The study found that there is an obvious nonlinear characteristic between the sulfur tax rate and the emission reduction rate. This non-linear characteristic is obviously reflected in the changes of single types of energy consumption and total energy consumption. Moreover, Can achieve the purpose of reducing sulfur dioxide emissions, but also did not produce excessive negative impact on real GDP. The study also found that the levy of sulfur tax led to changes in the structure of sulfur dioxide emissions, energy consumption and energy consumption structure, and promoted the replacement of sulfur-containing energy with sulfur-containing energy. Finally, based on the above findings, a number of policy recommendations are put forward.