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研究了一个由多个供应商、多个制造商和多个市场组成的三级供应链系统中产品的最优定价与产量决策问题。供应链系统中的各方通过一个碳交易中心组成一个碳交易市场。基于供应链子网及碳交易子网构建了一个超网络模型。假定供应商为高排放型,是碳交易市场上的买家,制造商为低排放型,是卖家,探讨了超网络中各决策者达到均衡时企业的最优产品定价及产量决策。基于n维实数空间,对变分不等式目标函数解的存在性、唯一性及最优解的充要条件给予了详细的证明。基于修正投影算法通过数值例子对模型进行求解,对比分析了有、无碳交易两种情况下供应链各参与方及系统的整体绩效,得出了一些管理学上的见解及对政府政策上的建议。
This paper studies the optimal pricing and yield decision making problem of a three-level supply chain system composed of multiple suppliers, multiple manufacturers and multiple markets. The parties in the supply chain system make up a carbon trading market through a carbon trading center. Based on the supply chain sub-network and carbon trading sub-network to build a super-network model. Assuming that the supplier is a high-emission type, it is a buyer on the carbon market and the manufacturer is a low-emission type and a seller. It explores the optimal product pricing and output decision-making of enterprises when all the decision makers in the network reach equilibrium. Based on the n-dimensional real number space, the sufficient and necessary conditions for the existence, uniqueness and optimal solution of the variational inequality objective function are given. Based on the modified projection algorithm, the numerical example is used to solve the model, and the overall performance of each participant and system in the supply chain under both the non-carbon trading and the non-carbon trading is compared and analyzed. Some management perspectives and some suggestions on the government policy Suggest.