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Optimal Operation for Green Supply Chain Considering Demand Information, Collection Incentive and Quality of Recycling Parts

机译:绿色供应链的最佳运行考虑需求信息,收集激励和回收零件的质量

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This study proposes an optimal operational policy for a green supply chain (GSC) where a retailer pays an incentive for collection of used products from customers and determines the optimal order quantity of a single product under uncertainty in product demand. A manufacturer produces the optimal order quantity of product using recyclable parts with acceptable quality levels and covers a part of the retailer’s incentive from the recycled parts. Here, two scenarios for the product demand are assumed as: the distribution of product demand is known, and only both mean and vari- ance are known. This paper develops mathematical models to find how order quantity, collection incentive of used products and lower limit of quality level for recycling affect the expected profits of each member and the whole sup- ply chain under both a decentralized GSC (DGSC) and an integrated GSC (IGSC). The analysis numerically compares the results under DGSC with those under IGSC for each scenario of product demand. Also, the effect of the quality of the recyclable parts on the optimal decisions is shown. Moreover, supply chain coordination to shift the optimal deci- sions of IGSC is discussed based on: I) profit ratio, Il) Nash bargaining solution, and III) Combination of (I) and (II).
机译:本研究提出了绿色供应链(GSC)的最佳运营政策,其中零售商向客户收集使用的使用产品并确定产品需求的不确定性下的最佳订单数量。制造商生产使用可接受的零件具有可接受的质量水平的最佳订单数量,并涵盖了零售商从回收零件激励的一部分。这里,假设产品需求的两种情况是:产品需求的分布是已知的,并且只知道均值和变量。本文开发了数学模型,以了解如何订购数量,收集使用的产品以及循环利用的质量水平下限,影响每个成员的预期利润和在分散的GSC(DGSC)和集成的GSC下的整个抑制链(IGSC)。该分析数值对DGSC下的结果与IGSC下的每种情况下的结果进行了比较。而且,显示了可回收部件质量对最佳决定的影响。此外,供应链协调改变IGSC的最佳决策是基于:i)利润率,IL)纳什议定解决方案和III)(I)和(II)的组合。

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