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Price Drops, Fluctuations, and Correlation in a Multi-Agent Model of Stock Markets

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  • A. G. Zawadowski
  • R. Karadi
  • J. Kertesz

Abstract

In this paper we compare market price fluctuations with the response to fundamental price drops within the Lux-Marchesi model which is able to reproduce the most important stylized facts of real market data. Major differences can be observed between the decay of spontaneous fluctuations and of changes due to external perturbations reflecting the absence of detailed balance, i.e., of the validity of the fluctuation-dissipation theorem. We found that fundamental price drops are followed by an overshoot with a rather robust characteristic time.

Suggested Citation

  • A. G. Zawadowski & R. Karadi & J. Kertesz, 2002. "Price Drops, Fluctuations, and Correlation in a Multi-Agent Model of Stock Markets," Papers cond-mat/0204574, arXiv.org.
    • Handle: RePEc:arx:papers:cond-mat/0204574
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    Cited by:

    1. Eisler, Z. & Kertész, J., 2004. "Multifractal model of asset returns with leverage effect," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 343(C), pages 603-622.
    2. Xiaoguang Gong & Renbin Xiao, 2007. "Research on Multi-Agent Simulation of Epidemic News Spread Characteristics," Journal of Artificial Societies and Social Simulation, Journal of Artificial Societies and Social Simulation, vol. 10(3), pages 1-1.

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