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Colored minority games

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  • Marsili, Matteo
  • Piai, Maurizio

Abstract

We study the behavior of simple models for financial markets with widely spread frequency either in the trading activity of agents or in the occurrence of basic events. The generic picture of a phase transition between information efficient and inefficient markets still persists even when agents trade on widely spread time-scales. We derive analytically the dependence of the critical threshold on the distribution of time-scales. We also address the issue of market efficiency as a function of frequency. In an inefficient market we find that the size of arbitrage opportunities is inversely proportional to the frequency of the events on which they occur. Greatest asymmetries in market outcomes are concentrated on the most rare events. The practical limits of the applications of these ideas to real markets are discussed in a specific example.

Suggested Citation

  • Marsili, Matteo & Piai, Maurizio, 2002. "Colored minority games," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 310(1), pages 234-244.
    • Handle: RePEc:eee:phsmap:v:310:y:2002:i:1:p:234-244
    DOI: 10.1016/S0378-4371(02)00800-2
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    Cited by:

    1. Vee-Liem Saw & Lock Yue Chew, 2020. "No-boarding buses: Synchronisation for efficiency," PLOS ONE, Public Library of Science, vol. 15(3), pages 1-34, March.
    2. Lustosa, Bernardo C. & Cajueiro, Daniel O., 2010. "Constrained information minority game: How was the night at El Farol?," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(6), pages 1230-1238.
    3. Mello, Bernardo A. & Cajueiro, Daniel O., 2008. "Minority games, diversity, cooperativity and the concept of intelligence," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 387(2), pages 557-566.
    4. Crepaldi, Antonio F. & Neto, Camilo Rodrigues & Ferreira, Fernando F. & Francisco, Gerson, 2009. "Multifractal regime transition in a modified minority game model," Chaos, Solitons & Fractals, Elsevier, vol. 42(3), pages 1364-1371.
    5. Marcus Cordi & Serge Kassibrakis & Damien Challet, 2018. "The market nanostructure origin of asset price time reversal asymmetry," Working Papers hal-01966419, HAL.
    6. Marcus Cordi & Damien Challet & Serge Kassibrakis, 2021. "The market nanostructure origin of asset price time reversal asymmetry," Quantitative Finance, Taylor & Francis Journals, vol. 21(2), pages 295-304, February.

    More about this item

    Keywords

    Minority game; Financial market;

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