宏刻论文随机需求下生鲜电商供应链物流合作与运营决策描述假设

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　　今天小编为大家带来《随机需求下生鲜电商供应链物流合作与运营决策》
　　问题描述与假设。
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　　本期推文阅读时长大约5分钟，请您耐心阅读。
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　　Dear you,
　　this is the LearningYard Academy!
　　Today, I bring you ＂Fresh produce e-commerce supply chain logistics cooperation and operation decision under random demand＂ Problem description and hypothesis.
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　　The reading time of this tweet is about 5 minutes, please read it with patience.
　　内容摘要
　　本期推文将通过思维导图，复刻论文内容，知识补充三个板块，复刻来自于中国管理科学期刊的期刊论文《随机需求下生鲜电商供应链物流合作与运营决策》问题描述与假设。
　　This tweet will This tweet will review the problem description and hypothesis of the journal paper ＂Fresh produce e-commerce supply chain logistics cooperation and operation decision under random demand＂ from the Chinese Journal of Management Science through three sections: mind map, replication of paper content, and knowledge supplement.
　　思维导图
　　关于问题描述与假设的思维导图如下：
　　A mind map of the problem description and hypothesis is as follows.
　　精读内容
　　问题描述与假设章节可以概括为问题描述部分和基本假设部分。问题描述部分介绍了此文研究问题背景，换句话说就是基于哪种情况下的问题。此文具体问题为研究由生鲜供应商、物流服务商、生鲜电商组成的供应链，其中供应商为主导者，电商为追随者并从物流商处订购物流服务，物流服务商可以选择独立运营，与供应商合作，与电商合作的三种合作模式下的订货、保鲜和定价问题。
　　The problem description and hypothesis section can be summarized into a problem description section and a basic hypothesis section. The problem description section introduces the background of the research problem of this paper, in other words, the problem based on which scenario. The specific problem of this paper is to study the ordering, freshness and pricing problems in a supply chain consisting of fresh food suppliers, logistics service providers and fresh food e-merchants, where the suppliers are the dominant players, the e-merchants are the followers and order logistics services from the logistics providers, and the logistics service providers can choose to operate independently, cooperate with the suppliers, and cooperate with the e-merchants in three modes of cooperation.
　　基本假设部分，作者在此研究中提出了4点基本假设：1.运输过程食品自然腐败。2.物流服务商做出保鲜努力。3.市场需求受价格和保鲜努力影响。（在这里刻画出了需求函数）。4.不能补货满足消费者需求，订货后超出实际需求的部分残值为0.
　　In the basic assumptions section, the authors make four basic assumptions in this study: 1. natural spoilage of food during transportation. 2. logistics service providers make efforts to preserve freshness. 3. market demand is influenced by price and preservation efforts. (Here the demand function is portrayed.) 4. The consumer demand cannot be met by replenishment and the residual value in excess of the actual demand after ordering is 0.
　　知识补充
　　文章中提到订货量超出需求的残值为0，那么什么是残值以及一般计算的方式呢?
　　残值是指在一项资产使用期满时预计能够回收到的残余价值，也就是在固定资产使用期满报废时处置资产所能收取的价款。如果一项资产预期期满后能交换一项新资产，那么其残值就等于预期交换来的资产的价值。
　　一般计算方法为：残值=固定资产原值×残值率
　　The article mentions that the salvage value is 0 if the order quantity exceeds the demand, so what is the salvage value and how is it generally calculated?
　　The salvage value is the expected residual value that can be recovered at the end of an asset＂s useful life, i.e., the price that can be received for the disposal of a fixed asset at the end of its useful life. If an asset is expected to be exchanged for a new asset at the end of its useful life, the salvage value is equal to the value of the asset expected to be exchanged.
　　The general calculation method is: salvage value = original value of fixed assets × salvage rate
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　　参考资料：DeepL翻译，知乎，百度
　　参考文献：崔鑫,李春发,周驰,米新新,沈瑶.随机需求下生鲜电商供应链物流合作与运营决策[J/OL].中国管理科学:1-15[2023-02-05].
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