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基于两层次和等级信用支付策略构建了变质性产品的库存模型,即模型假设上游供应商给予下游零售商一个固定的信用支付期,同时零售商对客户实施带有等级区别的信用支付策略.零售商给予信用好的客户全额贸易信贷且不需要任何押金,相反对信用不好的客户不给予贸易信贷的优惠.讨论了模型最优解的存在性与唯一性,并提供了寻求系统最优订货策略的简单方法.最后,给出了具体数值算例和主要参数的灵敏度分析.
The inventory model for the deteriorating products is constructed on the basis of a two-level and hierarchical credit payment strategy, ie the model assumes that the upstream supplier gives the downstream retailer a fixed credit payment period while the retailer implements the credit payment strategy with the level difference to the customer. On the contrary, it gives no preference for trade credit to customers with bad credit, discusses the existence and uniqueness of the optimal solution of the model, and provides a method to find the optimal system Order strategy.Finally, sensitivity analysis of specific numerical examples and main parameters is given.