Queirós, Sílvio M. Duarte; Curado, E.M.F.; Nobre, F.D. - In: Physica A: Statistical Mechanics and its Applications 374 (2007) 2, pp. 715-729
Microscopic models, which resemble random magnetic systems, have been used recently in the literature for the description of financial markets. In the present work, a model with many interacting agents, similar to an Ising random magnet with infinite-range interactions, is investigated. The...