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Large-scale structure of a nation-wide production network

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  • Y. Fujiwara

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  • H. Aoyama
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    Abstract

    Production in an economy is a set of firms’ activities as suppliers and customers; a firm buys goods from other firms, puts value added and sells products to others in a giant network of production. Empirical study is lacking despite the fact that the structure of the production network is important to understand and make models for many aspects of dynamics in economy. We study a nation-wide production network comprising a million firms and millions of supplier-customer links by using recent statistical methods developed in physics. We show in the empirical analysis scale-free degree distribution, disassortativity, correlation of degree to firm-size, and community structure having sectoral and regional modules. Since suppliers usually provide credit to their customers, who supply it to theirs in turn, each link is actually a creditor-debtor relationship. We also study chains of failures or bankruptcies that take place along those links in the network, and corresponding avalanche-size distribution. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2010

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    File URL: http://hdl.handle.net/10.1140/epjb/e2010-00275-2
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    Bibliographic Info

    Article provided by Springer in its journal The European Physical Journal B.

    Volume (Year): 77 (2010)
    Issue (Month): 4 (October)
    Pages: 565-580

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    Handle: RePEc:spr:eurphb:v:77:y:2010:i:4:p:565-580

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    Web page: http://www.springer.com/economics/journal/10051

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    Cited by:
    1. Salvador Pueyo, 2013. "Is it a power law distribution? The case of economic contractions," Papers 1310.2567, arXiv.org.
    2. Henriet, F. & Hallegatte, S. & Tabourier, L., 2011. "Firm-Network Characteristics and Economic Robustness to Natural Disasters," Working papers 355, Banque de France.
    3. TODO Yasuyuki & NAKAJIMA Kentaro & Petr MATOUS, 2013. "How Do Supply Chain Networks Affect the Resilience of Firms to Natural Disasters? Evidence from the Great East Japan Earthquake," Discussion papers 13028, Research Institute of Economy, Trade and Industry (RIETI).
    4. Mizuno, Takayuki & Souma, Wataru & Watanabe, Tsutomu, 2014. "The Structure and Evolution of Buyer-Supplier Networks," Working Paper Series 27, Center for Interfirm Network, Institute of Economic Research, Hitotsubashi University.
    5. Takayuki Mizuno & Wataru Souma & Tsutomu Watanabe, 2014. "The Structure and Evolution of Buyer-Supplier Networks," CARF F-Series CARF-F-339, Center for Advanced Research in Finance, Faculty of Economics, The University of Tokyo.

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