Affiliation: | 1. Centre for Computational Finance and Economic Agents (CCFEA) , University of Essex , Colchester , Essex CO4 3SQ , UK edward@essex.ac.uk;3. Centre for Computational Finance and Economic Agents (CCFEA) , University of Essex , Colchester , Essex CO4 3SQ , UK;4. Olsen Ltd. , Seefeldstrasse 233, CH-8008, Zurich , Switzerland;5. Centre for Computational Finance and Economic Agents (CCFEA) , University of Essex , Colchester , Essex CO4 3SQ , UK |