摘要翻译：
通过引入市场配置的概念，我们用复杂网络的统计集合来表示交换经济。这被定义为描述给定商品从代理$i$到代理$j$的流动的非负离散随机变量序列$\\{w_{ij}\\}$。这个序列可以排列成一个非负矩阵$W$，我们可以把它看作是一个加权有向网络或有向图$G$的表示。我们的主要结果在于表明，一般均衡理论对市场结构施加了高度限制性的条件，而这些条件在大多数情况下是现实市场所不满足的。提供了一个关于e-MID银行间信贷市场的明确例子。
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英文标题：
《A Statistical Test of Walrasian Equilibrium by Means of Complex Networks
Theory》
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作者：
Leonardo Bargigli, Andrea Lionetto, Stefano Viaggiu
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最新提交年份：
2016
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分类信息：

一级分类：Quantitative Finance 数量金融学
二级分类：General Finance 一般财务
分类描述：Development of general quantitative methodologies with applications in finance
通用定量方法的发展及其在金融中的应用
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一级分类：Physics 物理学
二级分类：Statistical Mechanics 统计力学
分类描述：Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变，热力学，场论，非平衡现象，重整化群和标度，可积模型，湍流
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英文摘要：
We represent an exchange economy in terms of statistical ensembles for complex networks by introducing the concept of market configuration. This is defined as a sequence of nonnegative discrete random variables $\\{w_{ij}\\}$ describing the flow of a given commodity from agent $i$ to agent $j$. This sequence can be arranged in a nonnegative matrix $W$ which we can regard as the representation of a weighted and directed network or digraph $G$. Our main result consists in showing that general equilibrium theory imposes highly restrictive conditions upon market configurations, which are in most cases not fulfilled by real markets. An explicit example with reference to the e-MID interbank credit market is provided.
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