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The Hierarchy-Niche Model for Supply Networks

机译:供应网络的层次结构-利基模型

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摘要

Contemporary products are usually designed and produced in large inter-firm supply networks rather than by single firms. However, our understanding of such networks is still limited due to the lack of network-wide empirical data as well as the complexity and nonlinearity of supply networks. Herein, we introduce a network formation model to extend and generalize the prior empirical studies that have revealed variable hierarchy topologies and firm-level transaction specificities across the supply networks for automobiles and electronics. We call it the "hierarchy-niche model." With tuning the parameters for transaction specificity and transaction breadth, the model can generate a wide spectrum of stochastic networks that comply with the production hierarchy to varied degrees. Our simulation analyses show that the model-generated stochastic networks capture hierarchical and cyclic topologies of real-world automobile and electronics supply networks. The model, which relates firm-level transaction patterns to network-wide emergent topologies, can be further utilized to inform and guide firms' transaction strategies concerning the overall supply network.
机译:现代产品通常是在大型公司间供应网络中设计和生产的,而不是由单个公司设计和生产的。但是,由于缺乏网络范围内的经验数据以及供应网络的复杂性和非线性,我们对这种网络的理解仍然受到限制。在这里,我们介绍了一个网络形成模型,以扩展和归纳先前的经验研究,这些研究揭示了汽车和电子产品供应网络中可变的层次结构拓扑和公司级别的交易特殊性。我们称其为“层次结构小生境模型”。通过调整交易专用性和交易广度的参数,该模型可以生成各种各样的随机网络,这些随机网络在不同程度上符合生产层次。我们的仿真分析表明,模型生成的随机网络捕获了现实世界中汽车和电子供应网络的分层和循环拓扑。该模型将公司层级的交易模式与全网范围内的紧急拓扑联系起来,可以进一步用于告知和指导公司关于整个供应网络的交易策略。

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