Saito, Yukiko Umeno; Watanabe, Tsutomu; Iwamura, Mitsuru - In: Physica A: Statistical Mechanics and its Applications 383 (2007) 1, pp. 158-163
, 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 the relationship between firms’ size and the …
