考虑制造过程高排放的两级供应链系统，基于Stackelberg博弈和收益共享契约，建立碳税政策下生产商投资碳减排技术前后供应链的收益模型，探讨碳税及碳减排率对供应链最优决策及收益的影响，确定供应链实现减排目标的最优方案。研究表明，随着碳减排率的提高，批发价格随之减小；尽管碳减排技术投资会增加供应链成本，通过合理的碳减排技术投资，供应链成员在降低碳排放同时增加各自的收益，但可协调契约参数范围变小，谈判需更谨慎；提高碳税税率可以促使生产企业降低碳排放，但碳税税率过高，导致供应链总体成本上升而影响供应链收益。因此，政府应当合理制定碳税政策，引导低碳供应链的发展。%In this paper, considering a two-echelon supply chain system with high carbon-emissions manufacturing process, and based on the Stackelberg game and revenue sharing contract, we established the revenue model of the manufacturer under the carbon tax policy before and after the investment in the carbon emissions reduction technologies, discussed the influence of the carbon tax and carbon emission reduction rate on the optimal decision and revenue of the supply chain, and at the end, finalized the optimal solution for the supply chain to realize its emissions reduction objective.The result found that with the increase in the carbon emissions reduction rate, the wholesaling price would decrease;though the carbon emissions reduction technology would increase the supply chain cost, it could increase the revenue for the individual supply chain parties while reducing their carbon emissions; increasing the carbon tax rate could propel the manufacturing enterprises to reduce their carbon emissions, but the excessively high carbon tax rate would lead to the rise in the overall cost of the supply chain and affect its total revenue.
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