Do Larger Firms Have More Interfirm Relationships?
AbstractIn this study, we investigate interfirm networks by employing a unique dataset containing information on more than 800,000 Japanese firms, about half of all corporate firms currently operating in Japan. First, we find that the number of relationships, measured by the indegree, has a fat-tail distribution, implying that there exist "hub" firms with a large number of relationships. Moreover, the indegree distribution for those hub firms also exhibits a fat tail, suggesting the existence of "super-hub" firms. Second, we find that larger firms tend to have more counterparts, but that the relationship between firms' size and the number of their counterparts is not necessarily proportional; firms that already have a large number of counterparts tend to grow without proportionately expanding it.
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Bibliographic InfoPaper provided by Research Institute of Economy, Trade and Industry (RIETI) in its series Discussion papers with number 07028.
Length: 8 pages
Date of creation: May 2007
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Other versions of this item:
- Saito, Yukiko Umeno & Watanabe, Tsutomu & Iwamura, Mitsuru, 2007. "Do larger firms have more interfirm relationships?," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 383(1), pages 158-163.
- NEP-ALL-2007-05-26 (All new papers)
- NEP-BEC-2007-05-26 (Business Economics)
- NEP-MIC-2007-05-26 (Microeconomics)
- NEP-NET-2007-05-26 (Network Economics)
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