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Networks of companies and branches in Poland

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  • Anna M. Chmiel
  • Julian Sienkiewicz
  • Krzysztof Suchecki
  • Janusz A. Holyst
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    Abstract

    In this study we consider relations between companies in Poland taking into account common branches they belong to. It is clear that companies belonging to the same branch compete for similar customers, so the market induces correlations between them. On the other hand two branches can be related by companies acting in both of them. To remove weak, accidental links we shall use a concept of threshold filtering for weighted networks where a link weight corresponds to a number of existing connections (common companies or branches) between a pair of nodes.

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    File URL: http://arxiv.org/pdf/physics/0611147
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    Bibliographic Info

    Paper provided by arXiv.org in its series Papers with number physics/0611147.

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    Date of creation: Nov 2006
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    Publication status: Published in Physica A 383, 134 (2007)
    Handle: RePEc:arx:papers:physics/0611147

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    Web page: http://arxiv.org/

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    1. S. Battiston & M. Catanzaro, 2004. "Statistical properties of corporate board and director networks," The European Physical Journal B - Condensed Matter and Complex Systems, Springer, Springer, vol. 38(2), pages 345-352, 03.
    2. Aleksiejuk, Agata & Hołyst, Janusz A., 2001. "A simple model of bank bankruptcies," Physica A: Statistical Mechanics and its Applications, Elsevier, Elsevier, vol. 299(1), pages 198-204.
    3. D.Helbing & S.Lämmer & T.Brenner & U.Witt, 2004. "Network-Induced Oscillatory Behavior in Material Flow Networks and Business Cycles," Papers on Economics and Evolution 2004-08, Philipps University Marburg, Department of Geography.
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