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IEL-CDA model: A more accurate theory of behavior in continuous double auctions

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  • Anufriev, Mikhail
  • Arifovic, Jasmina
  • Donmez, Anil
  • Ledyard, John
  • Panchenko, Valentyn

Abstract

The continuous double auction (CDA) is a well-studied and widely used trading institution. However, there is no universally accepted theory regarding the dynamics of price formation, especially within the first period, that has endured experimental testing. In this paper, we introduce a behavioral model called IEL-CDA, which builds upon the Individual Evolutionary Learning (IEL) model of Arifovic et al. (2022). We enhance IEL by (a) incorporating Marshallian Selection, favoring traders with a higher expected surplus in making offers, and (b) allowing a trader's hypothetical reasoning to depend on the history of transactions. Using new experimental data, we test the hypothesis that efficiencies and average prices observed in the experiments follow the same distribution as those produced by simulations with various models. The hypothesis is rejected for both the Zero Intelligent theory of Gode and Sunder (1993) and IEL; however, it is not rejected for IEL-CDA. Therefore, IEL-CDA emerges as a more accurate theory of behavior in the continuous double auction.

Suggested Citation

  • Anufriev, Mikhail & Arifovic, Jasmina & Donmez, Anil & Ledyard, John & Panchenko, Valentyn, 2025. "IEL-CDA model: A more accurate theory of behavior in continuous double auctions," Journal of Economic Dynamics and Control, Elsevier, vol. 172(C).
    • Handle: RePEc:eee:dyncon:v:172:y:2025:i:c:s0165188924000320
    DOI: 10.1016/j.jedc.2024.104840
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    More about this item

    Keywords

    Continuous double auction; Learning; Evolutionary dynamics; Zero intelligence;
    All these keywords.

    JEL classification:

    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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