This special issue of Advances in Complex Systems presents a collection of selected papers of the 4th Conference of the European Social Simulation Association held in Tolulouse, France on 10–14 September 2007.

In this paper we investigate the degree to which two social influences, namely imitation and coordinated consumption, effectuate inequalities in the motion picture industry. We develop an agent-based model based on micro movie visitors' decision-making that generates the observed macro market...