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首页> 外文期刊>International Journal of Production Research >Serial vs. divergent supply chain networks: a comparative analysis of the bullwhip effect
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Serial vs. divergent supply chain networks: a comparative analysis of the bullwhip effect

机译：连续供应链与分散供应链网络：牛鞭效应的比较分析

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摘要

The amplification of demand variation in a supply chain network (SCN) is a well-known phenomenon called the bullwhip effect, which creates inefficiencies due to high variation in the order quantities placed between companies, leading to a flow of a larger number of units than the actual need, increasing stock and generating stock-outs. Since this phenomenon has been recognised as one of the main obstacles for improving SCN performance, recently it has received a lot of attention by SCN managers and researchers. One of the most common simplifying assumptions in the literature is to assume that the SCN adopts a serial structure. The present work addresses a comparative analysis of the bullwhip effect between a serial SCN and a more complex divergent SCN. To do so, we analyse the response of both SCNs under two different input demands: a stationary demand and an impulse demand. The results reveal that there are not significant differences in terms of bullwhip effect between both SCNs for a stationary demand. Nevertheless, we show how for a violent disturbance in customer demand there is a great different between the two SCNs.
机译：供应链网络（SCN）中需求变化的放大是一种众所周知的现象，称为牛鞭效应，由于放置在公司之间的订单数量的巨大差异而导致效率低下，从而导致单位数量的流动超过实际需求，增加库存并产生缺货。由于这种现象已被认为是改善SCN性能的主要障碍之一，因此最近它已受到SCN管理人员和研究人员的广泛关注。文献中最常见的简化假设之一是假设SCN采用串行结构。本工作致力于对串行SCN和更复杂的发散SCN之间的牛鞭效应进行比较分析。为此，我们分析了两种SCN在两种不同的输入需求下的响应：固定需求和冲动需求。结果表明，对于固定需求，两个SCN之间的牛鞭效应没有显着差异。但是，我们显示了两个SCN之间如何因客户需求的剧烈干扰而有很大的不同。

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