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On optimal emergency orders with updated demand forecast and limited supply

机译:在具有最新需求预测和有限供应的最佳紧急订单上

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摘要

This study analyses a two-stage newsvendor system with a regular and an emergency order. The emergency order can be placed at a later time based on a more accurate demand forecast. However, the unit cost for the emergency order is higher, and the quantity is limited. To maximise the expected profit, a retailer should determine both regular and emergency order quantities by considering the demand forecast updating, ordering cost and quantity constraint. Using dynamic programming, optimal ordering quantities are derived, and properties of the optimal solutions are obtained. Numerical experiments are carried out to illustrate the effect of the emergency order on the ordering decisions and expected profit. Some managerial insights are gained from the numerical results.
机译:本研究分析了具有常规和紧急命令的两阶段新闻供应商系统。可以根据更准确的需求预测在以后的时间下达紧急订单。但是,紧急命令的单位成本较高,并且数量有限。为了最大化预期利润,零售商应通过考虑需求预测更新,订购成本和数量限制来确定常规和紧急订单数量。使用动态规划,可以得出最佳排序量,并获得最佳解的性质。进行了数值实验,以说明紧急订单对订购决策和预期利润的影响。从数值结果中可以获得一些管理上的见解。

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