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Optimal ordering decisions under two returns policies

机译：两种退货政策下的最优订购决策

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摘要

To avoid stockouts and maintain product availability, retailers typically carry excess units and subsequently incur higher cost. In case of style/fashion goods, demand forecasting is extremely difficult due to short selling cycles. The purpose of this study was to minimise the cost of excess stocking without compromising product availability. To achieve these conflicting objectives, our study includes two ordering instances and two returns policies. The time between orders subsequently helps resolve demand uncertainty. Existing studies consider only one type of returns policy, that is, returns on the entire purchase quantity; whereas our study considers two types of returns policies: returns on the first order size and returns on the entire purchase quantity. This study also includes models for the retailer and the supply chain system. Analytical and numerical insights into our study enable the retailer to select his appropriate returns policies to maximise his as well as system's expected profits. We also show that perfect coordination of partners will help them improve their profits considerably.
机译：为了避免缺货并保持产品可用性，零售商通常会携带多余的商品，从而产生更高的成本。对于样式/时尚商品，由于销售周期短，需求预测非常困难。这项研究的目的是在不影响产品可用性的情况下，最大限度地减少多余库存的成本。为了实现这些相互矛盾的目标，我们的研究包括两个订购实例和两个退货政策。订单之间的时间随后有助于解决需求不确定性。现有研究仅考虑一种退货政策，即全部购买数量的退货；而我们的研究考虑了两种退货政策：第一笔订单金额的退货和整个购买数量的退货。该研究还包括零售商和供应链系统的模型。对我们研究的分析和数值洞察力使零售商能够选择适当的退货政策，以最大化其以及系统的预期利润。我们还表明，合作伙伴之间的完美协调将有助于他们大幅提高利润。

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