将供应链与业务周期建模为不稳定输运现象
统计力学
2007-05-23 v1
摘要
物理学中用于描述交通流不稳定性的概念可被概括性地推广,以理解众所周知的供应链不稳定(即“鹰尾效应”)。即,消费率的微小变化可导致公司生产率的大幅波动。有趣的是,所产生的振荡具有特征频率,明显低于消费率的变化频率。这表明供应链的不稳定可能是商业周期存在的原因。同时,我们在排队论和微观经济学与宏观经济学之间建立了一些联系。
引用
@article{arxiv.cond-mat/0301204,
title = {Modeling Supply Chains and Business Cycles as Unstable Transport Phenomena},
author = {Dirk Helbing},
journal= {arXiv preprint arXiv:cond-mat/0301204},
year = {2007}
}
备注
For related work see http://www.helbing.org. A considerably extended version with many additional figures and discussion of network aspects was published in New Journal of Physics 5, 90.1-90.28 (2003), see www.njp.org and cond-mat/0307366