Wealth condensation in a multiplicative random asset exchange model C. F. Moukarzel, S. Gonçalves, J. R. Iglesias, M. Rodríguez-Achach and R. Huerta-Quintanilla Eur. Phys. J. Special Topics, 143 (2007) 75-79 Published online: 12 May 2007 DOI: 10.1140/epjst/e2007-00073-3