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Fitness-dependent topological properties of the World Trade Web

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  • D. Garlaschelli
  • M. I. Loffredo
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    Abstract

    Among the proposed network models, the hidden variable (or good get richer) one is particularly interesting, even if an explicit empirical test of its hypotheses has not yet been performed on a real network. Here we provide the first empirical test of this mechanism on the world trade web, the network defined by the trade relationships between world countries. We find that the power-law distributed gross domestic product can be successfully identified with the hidden variable (or fitness) determining the topology of the world trade web: all previously studied properties up to third-order correlation structure (degree distribution, degree correlations and hierarchy) are found to be in excellent agreement with the predictions of the model. The choice of the connection probability is such that all realizations of the network with the same degree sequence are equiprobable.

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    File URL: http://arxiv.org/pdf/cond-mat/0403051
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    Bibliographic Info

    Paper provided by arXiv.org in its series Papers with number cond-mat/0403051.

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    Date of creation: Mar 2004
    Date of revision: Oct 2004
    Publication status: Published in Phys. Rev. Lett. 93, 188701 (2004).
    Handle: RePEc:arx:papers:cond-mat/0403051

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    Web page: http://arxiv.org/

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    Cited by:
    1. Giorgio Fagiolo, 2010. "The international-trade network: gravity equations and topological properties," Journal of Economic Interaction and Coordination, Springer, vol. 5(1), pages 1-25, June.
    2. Shu-Heng Chen & Sai-Ping Li, 2011. "Econophysics: Bridges over a Turbulent Current," Papers 1107.5373, arXiv.org.
    3. Florian Blöchl & Fabian J. Theis & Fernando Vega-Redondo & Eric O'N. Fisher, 2010. "Which Sectors of a Modern Economy are most Central?," CESifo Working Paper Series 3175, CESifo Group Munich.
    4. Giorgio Fagiolo & Javier Reyes & Stefano Schiavo, 2007. "The Evolution of the World Trade Web," LEM Papers Series 2007/17, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
    5. Javier Reyes & Stefano Schiavo & Giorgio Fagiolo, 2007. "Using Complex Network Analysis to Assess the Evolution of International Economic Integration: The cases of East Asia and Latin America," LEM Papers Series 2007/25, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
    6. Fracasso, Andrea & Schiavo, Stefano, 2009. "Trade-imbalances networks and exchange rate adjustments: the paradox of a new Plaza. The XIVth Spring Meeting of Young Economists (SMYE-2009), Istanbul, April 2009," Open Access publications from Sciences Po info:hdl:2441/10028, Sciences Po.
    7. Massimo Riccaboni & Stefano Schiavo, 2012. "Stochastic Trade Networks," DEGIT Conference Papers c017_014, DEGIT, Dynamics, Economic Growth, and International Trade.
    8. Javier Reyes & Giorgio Fagiolo & Stefano Schiavo, 2008. "Using a complex weighted-network approach to assess the evolution of international economic integration: The cases of East Asia and Latin America," LEM Papers Series 2008/10, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
    9. Fracasso, Andrea & Schiavo, Stefano, 2009. "Global imbalances, exchange rates adjustment and the crisis: Implications from network analysis," Journal of Policy Modeling, Elsevier, vol. 31(5), pages 601-619, September.
    10. Giorgio Fagiolo & Javier Reyes & Stefano Schiavo, 2007. "International Trade and Financial Integration: A Weighted Network Analysis," LEM Papers Series 2007/16, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
    11. M. Serrano & Marián Boguñá & Alessandro Vespignani, 2007. "Patterns of dominant flows in the world trade web," Journal of Economic Interaction and Coordination, Springer, vol. 2(2), pages 111-124, December.
    12. Tiziano Squartini & Diego Garlaschelli, 2012. "Triadic motifs and dyadic self-organization in the World Trade Network," Papers 1201.1215, arXiv.org, revised Jan 2012.
    13. Massimo Riccaboni & Stefano Schiavo, 2009. "The Structure and Growth of International Trade," Documents de Travail de l'OFCE 2009-24, Observatoire Francais des Conjonctures Economiques (OFCE).
    14. Massimo Riccaboni & Stefano Schiavo, 2009. "The Structure and Growth of Weighted Networks," Papers 0908.0348, arXiv.org, revised Dec 2009.
    15. repec:ebl:ecbull:v:3:y:2006:i:34:p:1-12 is not listed on IDEAS

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