Universal scaling behaviour in weighted trade networks

被引：17

作者：

Duan, W. Q. ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Sch Business Adm, Jinhua 321004, Peoples R China

来源：

EUROPEAN PHYSICAL JOURNAL B | 2007年 / 59卷 / 02期

关键词：

89.75.Da Systems obeying scaling laws; 89.75.Hc Networks and genealogical trees; 89.65.Gh Economics; econophysics, financial markets, business and management;

D O I：

10.1140/epjb/e2007-00279-y

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Identifying universal patterns in complex economic systems can reveal the dynamics and organizing principles underlying the process of system evolution. We investigate the scaling behaviours that have emerged in the international trade system by describing them as a series of evolving weighted trade networks. The maximum-flow spanning trees (constructed by maximizing the total weight of the edges) of these networks exhibit two universal scaling exponents: (1) topological scaling exponent eta = 1.30 and (2) flow scaling exponent zeta = 1.03.

引用

页码：271 / 276

页数：6

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