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Network structure of Japanese firms. Scale-free, hierarchy, and degree correlation: analysis from 800,000 firms

  • Konno, Tomohiko
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    We analyze fundamental characteristics of the inter-firm transaction network through the data of 800,000 Japanese firms. We find that there exists a hierarchical structure and a negative degree correlation in this transaction network. We also find that this undirected network is a scale-free network. We bring to light these characteristics of the network and discuss why there is an important need to conduct research work on the actual network structure.

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    File URL: http://dx.doi.org/10.5018/economics-ejournal.ja.2009-31
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    File URL: http://econstor.eu/bitstream/10419/27725/1/603832296.PDF
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    Article provided by Kiel Institute for the World Economy in its journal Economics: The Open-Access, Open-Assessment E-Journal.

    Volume (Year): 3 (2009)
    Issue (Month): ()
    Pages: 1-13

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    Handle: RePEc:zbw:ifweej:200931
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    1. SAITO (UMENO) Yukiko & WATANABE Tsutomu & IWAMURA Mitsuru, 2007. "Do Larger Firms Have More Interfirm Relationships?," Discussion papers 07028, Research Institute of Economy, Trade and Industry (RIETI).
    2. Garlaschelli, Diego & Battiston, Stefano & Castri, Maurizio & Servedio, Vito D.P. & Caldarelli, Guido, 2005. "The scale-free topology of market investments," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 350(2), pages 491-499.
    3. repec:cup:cbooks:9780521831062 is not listed on IDEAS
    4. D. S. Callaway & J. E. Hopcroft & J. M. Kleinberg & M. E. J. Newman & S. H. Strogatz, 2001. "Are Randomly Grown Graphs Really Random?," Working Papers 01-05-025, Santa Fe Institute.
    5. repec:cup:cbooks:9780521857406 is not listed on IDEAS
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