摘要
畜禽养殖废弃物是农村环境重要污染源之一。养殖废弃物排放的外部性问题要求政府的政策干预,而在降低成本,促进农户减排积极性上又需要充分发挥市场作用。本研究首先通过建立理论分析模型,探讨废弃物排放权交易制度与废弃物减排奖励补贴对废弃物减排的影响机理。其次,在环境政策对养殖废弃物减排的影响机理研究基础上,分析比较废弃物排放权交易制度与废弃物减排奖励补贴两种政策对废弃物减排量的控制效果,及在实现等量废弃物减排下对社会福利的影响。结果表明,排放权交易价格和减排奖励金额与废弃物排放量成负相关,而社会福利会随着排放权交易价格和减排奖励金额不同而改变。就废弃物减排量而言,排放权交易制度对废弃物减排的控制效果较好;就社会福利而言,当不同政策达到等量减排时,减排奖励制度更有利于社会福利的增加。
Nowadays, the livestock waste has become an important pollution source in rural area. The externality of livestock waste discharge requires government policy intervention. However, the market mechanism, which is used to make up government failure, is also needed. The study, by contracting the efficiency-optimization model, to analyze how does the environment polices influence waste emissions and social welfare, respectively. Moreover, makes a comparative analysis of emissions trading scheme and abatement subsidy from emission control and social welfare effects. The study found that both policies are negatively correlated with emission. Furthermore, abatement subsidy emissions more waste than trading scheme.Abatement subsidy increases more social welfare than trading scheme.
引文
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