Journal of Economic Interaction and Coordination

, Volume 2, Issue 2, pp 111–124

Patterns of dominant flows in the world trade web

  • M. Ángeles Serrano
  • Marián Boguñá
  • Alessandro Vespignani
Original Article


The large-scale organization of the world economies is exhibiting increasing levels of local heterogeneity and global interdependency. Understanding the relation between local and global features calls for analytical tools able to uncover the global emerging organization of the international trade network. Here we analyze the world network of bilateral trade imbalances and characterize its overall flux organization, unraveling local and global high-flux pathways that define the backbone of the trade system. We develop a general procedure capable to progressively filter out in a consistent and quantitative way the dominant trade channels. This procedure is completely general and can be applied to any weighted network to detect the underlying structure of transport flows. The trade fluxes properties of the world trade web determine a ranking of trade partnerships that highlights global interdependencies, providing information not accessible by simple local analysis. The present work provides new quantitative tools for a dynamical approach to the propagation of economic crises.


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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • M. Ángeles Serrano
    • 1
  • Marián Boguñá
    • 2
  • Alessandro Vespignani
    • 3
    • 4
  1. 1.Institute of Theoretical PhysicsLausanneSwitzerland
  2. 2.Departament de Física FonamentalUniversitat de BarcelonaBarcelonaSpain
  3. 3.School of InformaticsIndiana UniversityBloomingtonUSA
  4. 4.Complex Network Lagrange Laboratory (CNLL)Institute for Scientific Interchange (ISI)TorinoItaly

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