弹性需求下三级供应链价格折扣协调模型

针对由单一制造商、单一分销商和单一零售商构成的三级供应链系统，研究了市场弹性需求条件下考虑产品订货数量的价格折扣问题．通过对未提供价格折扣和提供价格折扣下最大利润理论决策模型的分析，设计了考虑生产批量、订购批量和价格折扣联合的决策模型；在合理拟订和调整最佳x值下，使供应链节点企业实现利润共享．通过算例验证了该模型能够使得供应链各企业在市场弹性需求环境下达到有效协调并使整体利润最大化．

Price discount model for coordinating the three-level supply chain under elastic demand

In view of the three-level supply chain system composed by the sole manufacturer, the sole distributor and the sole retailer, the question of price discount that considers product ordering quantity was studied under the condition of the elastic market demand, analyses the decision model of the biggest profit theory whether it has provided the price discount or not. A joint decision model of production lot, order batch, price discount is designed, achieving the profit sharing among the enterprises by reasonably draft and adjustment the best x. It proves that using the example of the model could coordinate enterprises on supply chain under the environment of the elastic market demand, and maximize the overall profit.