不确定需求下跨国供应链数量折扣模型

摘要

The problem of quantity discounts for global supply chain under uncertain demand is analyzed. Firstly, based on total coordination of the supply chain system, the interval of the discount rate is obtained. Then the effect of exchange rate and tariff change on the supplier＇s and the retailer＇s profits is analyzed. Finally, through numerical analysis, the conclusions are made that： the supplier＇s and the retailer＇s profits have marked improvement after supplier providing discounts and the change of both exchange rate and tariff will affect the profits of the supplier and the retailer.%本文研究了不确定需求下跨国供应链数量折扣问题。首先基于供应链系统的全局协调，得出了数量折扣率应满足的区间；然后分析了汇率和关税的变化对供应商和零售商利润所产生的影响；最后通过数值分析并得出结论：供应商提供数量折扣后，供应商和零售商的利润有了明显的改进；汇率减少时，供应商和零售商的利润也相应减少；另外，提高关税时，供应商和零售商的利润都相应减少。