论文标题
供应网络的公牛效应：网络结构和市场需求的共同影响
Bullwhip Effect of Supply Networks: Joint Impact of Network Structure and Market Demand
论文作者
论文摘要
随着需求在上游上游的供应链中，需求中的波动的逐步扩大被称为牛角效应。在两种情况下，我们首先在分析中表征了一般供应链网络中的牛皮效应：（i）所有供应商都有独特的层位置，我们的方法是建立在控制理论方法上的，并且（ii）并非所有供应商都有独特的层位置，这是由于存在内部链路或间层间链路之间的供应商之间没有连续链接的供应商之间的供应商之间的链接，我们使用了连续的layer，我们使用了连续的链条，我们使用的是锁定的链条，我们使用的是我们使用的链条。然后，我们研究网络结构如何影响供应链网络的BWE。特别是，我们在分析上表明，（i）市场需求是通过相同的固定过程产生的，供应网络的结构不会影响供应网络的层面斗牛效应，并且（ii）如果从不同的固定或非机构的市场过程产生了市场需求，则更广泛的供应网络会导致较低层的公牛效应。最后，数值模拟用于验证我们的命题。
The progressive amplification of fluctuations in demand as the demand travels upstream the supply chains is known as the bullwhip effect. We first analytically characterize the bullwhip effect in general supply chain networks in two cases: (i) all suppliers have a unique layer position, where our method is founded on the control-theoretic approach, and (ii) not all suppliers have a unique layer position due to the presence of intra-layer links or inter-layer links between suppliers that are not positioned in consecutive layers, where we use both the absorbing Markov chain and the control-theoretic approach. We then investigate how network structures impact the BWE of supply chain networks. In particular, we analytically show that (i) if the market demand is generated from the same stationary process, the structure of supply networks does not affect the layer-wise bullwhip effect of supply networks, and (ii) if the market demand is generated from different stationary or non-stationary market processes, wider supply networks lead to a lower level of layer-wise bullwhip effect. Finally, numerical simulations are used to validate our propositions.
