Gallegati, Mauro, Kirman, Alan P., Marsili, Matteo (Eds.)
2004, XV, 404 p.
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This volume contains a selection of contributions presented at the WEHIA02 (Workshop on Economies with Heterogeneous Interacting Agents), which was held at the Abdus Salam International Centre for Physics of Trieste, Italy, on May 29- 31, under the auspices of Exystence, Complex System network of excellence . WEHIA02 is the 7th edition of a workshop, which was held for the first time at the University of Ancona, Italy , on 1996 (1), as a one-week series of seminars for the Italian PhD program . Ancona hosted the event in the years 1997 and 1998 (2) , before it moved to Genoa 1999 (3), Marseille 2000 (4) , Maastricht 2001 (5), and finally to Trieste 2002. The 2003 workshop was held in Kid , Germany, while the next editions will be in Kyoto, Japan (2004) and Essex, UK (2005). The full list of participants, titles of the invited lectures, papers and posters of WEHIA can be found in http ://econ . dea. it/wehia2. The workshop has been always very informal aiming to put together sch- ars of different disciplines working on interaction of heterogeneous "so- thing " (economists, physicists, biologists) . To facilitate participation there has not been conference fee . It aimed to be a locus for communicate and exchange results and experiences . Several collaborations started with the Workshop and it is not without pride that the organizers claim such a result. The WEHIA has had two pars: a pars desiruens and a pars adestruens.
I Economics.- A New Model of Industry Dynamics.- Monetary Policy and the Distribution of Wealth in a OLG Economy with Heterogeneous Agents, Money and Bequests.- Limit Pricing and Entry Dynamics with Heterogeneous Firms.- Viability of Innovation Processes, Emergence and Stability of Market Structures.- Firms’ Bankruptcy and Turnover in a Macroeconomy.- II Econophysics: empirical analysis.- Statistical Physics and Economic Fluctuations.- Modeling the Dynamics of a Financial Index after a Crash.- Price Impact Function of a Single Transaction.- Income Distribution and Stochastic Multiplicative Process with Reset Events.- III Market Models and Stylized Facts.- Volatility Clustring in Agent Based Market Model.- A Dynamical Analysis of Speculation across two Markets.- A Simple Micro-Model of Market Dynamics.- Herd Behavior in Artificial Stock Markets.- IV Models of Bounded Rationality.- Bargaining with Posterior Opportunities: an Evolutionary Social Simulation.- Herding Behavior of Financial Analysts: A Model of Self-organized Criticality.- Give-and-Take in Minority Games.- Coordination in Self-organization in Minority Games: Experimental Evidence.- V Societies of Interacting Agents.- Coordination of D ecisions in a Spatial Model of Brownian Agents.- Coalition Formation with Boundedly Rational Agents.- On the Creation of Networks and Knowledge.- Impact of Corporate Boards Interlock on the Decision Making Dynamics.- Interaction of Heterogeneous Agents in Stochastic Socio-Economic Systems.- Coordination of Decisions in a Spatial Model of Brownian Agents.