Network structure of Japanese firms. Scale-free, hierarchy, and degree correlation: analysis from 800,000 firms
We analyze fundamental characteristics of the inter-firm transaction network through the data of 800,000 Japanese firms. We find that there exists a hierarchical structure and a negative degree correlation in this transaction network. We also find that this undirected network is a scale-free network. We bring to light these characteristics of the network and discuss why there is an important need to conduct research work on the actual network structure.
Volume (Year): 3 (2009)
Issue (Month): ()
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