本文研究的是制造商、物流商采用相同周期相同折扣范围的情况,后期研究还可以深入到制造商与物流商各自确定不同的折扣范围以达更优的效果。供应链系统中的企业为追求更低的购买成本,从而增加自己的收益,相互之间签订多阶段的订货合同,制定合理范围内的价格折扣,即采取多阶段订货的价格折扣策略。本文中设定供应商与制造商、制造商与购买商均采取此种协调方 This paper investigates the situation where manufacturers and distributors use the same discount range for the same period. Later studies can further explore the different discount ranges between manufacturers and logistics providers to achieve better results. Enterprises in the supply chain system to pursue lower purchase costs, thereby increasing their own revenue, signed a multi-stage contract between each other, to develop a reasonable price discount, that is, to take a multi-stage price discount strategy. This set of suppliers and manufacturers, manufacturers and purchasers have taken such a coordinator