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在二级供应链协调研究基础上,关于市场需求随机下的三级供应链协调研究越来越多,但需求受多个因素影响,如价格、促销努力程度等。本文考虑销售努力水平对需求的影响,研究由制造商、批发商和零售商构成的三级供应链协调问题。首先建立了两步收费契约和回购契约联合下三级供应链契约模型,并且零售商承担全部的努力成本,但此时三级供应链无法实现协调。然后考虑制造商、批发商和零售商共同承担努力成本,进而给出了联合契约下三级供应链实现协调的方案。最后通过数值分析进行了相关结论验证。
Based on the coordinated research of secondary supply chain, there are more and more studies on the coordination of three-level supply chain under the random market demand, but the demand is affected by many factors, such as price, promotion efforts and so on. This paper considers the impact of sales effort on demand and studies the coordination problem of three-level supply chain composed of manufacturers, wholesalers and retailers. First of all, a two-step charging contract and a repo contract are established. Under the three-level supply chain contract model, and retailers bear the full cost of efforts, but at this time can not be achieved three levels of supply chain coordination. Then consider the manufacturers, wholesalers and retailers share the cost of hard work, and then gives the joint contract under the three-tier supply chain to achieve coordination. At last, the relevant conclusions are verified by numerical analysis.