Saito, Yukiko Umeno; Watanabe, Tsutomu; Iwamura, Mitsuru - In: Physica A: Statistical Mechanics and its Applications 383 (2007) 1, pp. 158-163
In this study, we investigate interfirm networks by employing a unique data set 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...