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针对养殖业规模化、集约化、粗放化发展,导致废弃物大量聚集,温室气体随意排放等问题,以畜牧业新型养殖主体—规模养猪户为研究对象,利用动态博弈模型研究政府碳税税率、低碳养殖补贴系数、产品低碳度水平和消费者低碳产品支付意愿等因素对规模养猪户低碳养殖行为决策的影响。数值分析结果表明:政府的碳税政策有效激励了规模养猪户碳减排行为,不同的碳税税率不仅对规模养猪户碳减排效果具有显著的影响,而且对猪肉产品价格的影响较小;政府的低碳补贴政策能够促进规模养猪户低碳养殖行为的演变;消费者的低碳偏好可以有效引导规模养猪户的低碳养殖行为。针对上述研究结论对规模养殖户的低碳养殖决策及政府的碳税补贴政策设计提出了对策建议。
Aiming at the issues of large-scale, intensive and extensive development of aquaculture, leading to a large quantity of waste accumulation and free emission of greenhouse gases, the paper studies the government carbon tax rate using the dynamic game model , Low-carbon farming subsidy coefficient, product low carbon level and consumer willingness to pay low-carbon products and other factors on the scale pig farmer’s low-carbon farming behavior decision-making. The results of numerical analysis show that the government’s carbon tax policy effectively stimulates the carbon emission reduction of pig farmers on a large scale. Different carbon tax rates not only have a significant impact on the carbon emission reduction effect of large-scale pig farmers, but also have a greater impact on pork product prices The government’s low carbon subsidy policy can promote the evolution of low-carbon farming behavior of pig farmers; the low carbon preference of consumers can effectively guide the low-carbon farming behavior of large-scale pig farmers. According to the above research conclusions, some countermeasures and suggestions are put forward for the decision-making of low-carbon farming of large-scale farmers and the government’s carbon tax subsidy policy design.