Introduction: R. Conte, R. Hegselmann, P. Terna, Social Simulation - A New Disciplinary Synthesis.- Simulating in the Social Sciences: History, Problems, and Perspectives: R. Axelrod, Advancing the Art of Simulation in the Social Sciences; K.G. Troitzsch, Social Science Simulation - Origins, Prospects, Purposes; K.-H. Brassel, M. Möhring, E. Schumacher, K.G. Troitzsch, Can Agents Cover all the World?; P. Terna, A Laboratory for Agent Based Computational Economics: The Self-development of Consistency in Agents' Behaviour; E. Bruderer, M. Maiers, From the Margin to the Mainstream: An Agenda for Computer Simulations in the Social Sciences; C. Jacobsen, R. Bronson, Computer Simulated Empirical Tests of Social Theory: Lessons from 15 Years' Experience; F.M. Brazier, P.A. v. Eck, J. Treur, Modelling a Society of Simple Agents: From Conceptual Specification to Experimentation.- Cooperation, Exchange, and Coalitions: K. Binmore, M. Piccione, L. Samuelson, Bargaining Between Automata; D. Parisi, What to Do with a Surplus; T.B. Klos, Spatially Coevolving Automata Play the Repeated Prisoner's Dilemma; S. Majeski, G. Linden, C. Linden, A. Spitzer, A Spatial Iterated Prisoner's Dilemma Game Simultion with Movement; A. Rossi, M. Warglien, E. Zaninotto, Cooperation as Illusory Hill-Climbing: Co-adaption and Search in Social Dilemmas; G.M. Werner, J.N. Davis, Cooperation Without Memory; R. Conte, M. Paolucci, Tributes or Norms? The Context-dependent Rationality of Social Control; R. Pedone, D. Parisi, In What Kinds of Social Groups Can 'Altruistic' Behaviors Evolve?; G. Pistolesi, V. Veneziano, C. Castelfranchi, Global vs. Local Social Search in the Formation of Coalitions; M. Achterkamp, Exchange and Challenge in Collective Decision Making.- Markets, Organisations, and EconomicDynamics: G. Weisbuch, A. Kirman, D. Herreiner, Market Organisation; O. Guenther, T. Hogg, B.A. Huberman, Market Organizations for Controlling Smart Matter; G. Ballot, M-P. Merlateau, D. Meurs, Personnel Policies, Long Term Unemployment and Growth. An Evolutionary Model; C. Bruun, Agent-Based Keynesian Economics; E.S. Andersen, An Evolutionary Approach to Structural Economic Dynamics; S. Zambelli, Macroeconomic Intedependence and Frequency Locking; H. van den Broek, H.W. Gazendam, Organizational Actors and the Need for a Flexible World Representation; L. Marengo, C. Pasquali, Concurrency and the Logic of Economic Organization; L. Papini, G.A. Rabino, An Evolutionary Urban Cellular Automata: The Model and Some First Simulations; B. Lomborg, Simulating Multiparty Systems.- Learning and Adaption: M. Egidi, M. Ricottili, Co-ordination and Specialisation; D. Hales, Modelling Meta-Memes; S.E. Phelan, Innovation and Imitation as Competitive Strategies; E. Chattoe, N. Gilbert, A Simulation of Adaption Mechanisms in Budgetary Decision Making; P.M. Todd, Searching for the Next Best Mate; X. Vilà, Adaptive Artificial Agents Play a Finitely Repeated Discrete Principal-Agent Game; J. Doran, Foreknowledge in Artificial Societies; S.-H. Chen, Would and Should Government Lie about Economic Statistics: Understanding Opinion Formation Processes through Evolutionary Cellular Automata.- Statistics: T. Snijders, M. van Duijn, Simulation for Statistical Inference in Dynamic Network Models; L. Barabesi, L. Fattorini, Permutation Techniques for Testing Homogeneity of Social Groups form Questionnaire Results; M.C. Wolfson, New Goods and the Measurement of Real Economic Growth: Summary Results Using the XEcon Experimental Economy; M.C. Wolfson, Sketsching Life Paths: A New