Proceedings of the International Conference on Social Modeling and Simulation, plus Econophysics Colloquium 2014 - Takayasu, Hideki; Ito, Nobuyasu; Noda, Itsuki; Ito, Nobuyasu; Noda, Itsuki; Takayasu, Hideki; Takayasu, Misako; Tokyo Institute Of Technology, Misako (Cham Springer International Publishing, 2015)