テクニカルレポート The structure of global inter-firm networks

Mizuno, Takayuki  ,  Ohnishi, Takaaki  ,  Watanabe, Tsutomu

2016-02 , Institute of Economic Research, Hitotsubashi University
内容記述
We investigate the structure of global inter-firm relationships using a unique dataset containing information on customers, suppliers, licensors, licensees and strategic alliances for each of 412,814 major incorporated non-financial firms in the world. We focus on three different networks: customer-supplier network, licensee-licensor network, and strategic alliance network. In/out-degree distribution of these networks follows a Pareto distribution with an exponent of 1.5. The shortest path length on the networks for any pair of firms is around six links. The networks have a scale-free property.
基盤研究(S) = Grants-in-Aid for Scientific Research (S)
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http://hermes-ir.lib.hit-u.ac.jp/rs/bitstream/10086/27735/1/wp037.pdf

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