46 citations · 188 across the 14 of their papers we have counts for
6 papers · 1 filter
Exponential random graph models for the Japanese bipartite network of banks and firms
Abhijit Chakraborty, Hazem Krichene, Hiroyasu Inoue +1
We use the exponential random graph models to understand the network structure and its generative process for the Japanese bipartite network of banks and firms. One of the well kno…
Hierarchical communities in the walnut structure of the Japanese production network
Abhijit Chakraborty, Yuichi Kichikawa, Takashi Iino +4
This paper studies the structure of the Japanese production network, which includes one million firms and five million supplier-customer links. This study finds that this network f…
Characterization of the community structure in a large-scale production network in Japan
Abhijit Chakraborty, Hazem Krichene, Hiroyasu Inoue +1
Inter-firm organizations, which play a driving role in the economy of a country, can be represented in the form of a customer-supplier network. Such a network exhibits a heavy-tail…
Revealing the intricate effect of collaboration on innovation
Hiroyasu Inoue, Yang-Yu Liu
We study the Japan and U.S. patent records of several decades to demonstrate the effect of collaboration on innovation. We find that statistically inventor teams slightly outperfor…
A two-layer team-assembly model for invention networks
Hiroyasu Inoue
Companies are exposed to rigid competition, so they seek how best to improve the capabilities of their innovations. One strategy is to collaborate with other companies in order to…
Spatial Characteristics of Joint Application Networks in Japanese Patents
Hiroyasu Inoue, Wataru Souma, Schumpeter Tamada
Technological innovation has extensively been studied to make firms sustainable and more competitive. Within this context, the most important recent issue has been the dynamics of…