2 papers
physics.soc-ph2005
Change of ownership networks in Japan
Wataru Souma, Yoshi Fujiwara, Hideaki Aoyama
As complex networks in economics, we consider Japanese shareholding networks as they existed in 1985, 1990, 1995, 2000, 2002, and 2003. In this study, we use as data lists of share…
cond-mat.stat-mech2001
Small-World Effects in Wealth Distribution
Wataru Souma, Yoshi Fujiwara, Hideaki Aoyama
We construct a model of wealth distribution, based on an interactive multiplicative stochastic process on static complex networks. Through numerical simulations we show that a decr…