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Information aggregation with heterogeneous traders

Author

Listed:
  • Deck, Cary
  • Jun, Tae In
  • Razzolini, Laura
  • Reid, Tavoy

Abstract

The efficient market hypothesis predicts that asset prices reflect all available information. Recent experimental work found the rational expectation model to outperform the prior information model in contingent claim markets when traders hold homogeneous values, despite the no trade equilibrium. However, recent experiments have also demonstrated the inability of contingent claim markets to successfully aggregate information when traders hold highly differentiated asset values. These prior findings beg the question of whether homogeneous values are a necessary condition for efficient market outcomes in contingent claim markets. The experiments reported in this paper show that homogeneous values are not a necessary condition for information aggregation.

Suggested Citation

  • Deck, Cary & Jun, Tae In & Razzolini, Laura & Reid, Tavoy, 2024. "Information aggregation with heterogeneous traders," Journal of Behavioral and Experimental Finance, Elsevier, vol. 43(C).
    • Handle: RePEc:eee:beexfi:v:43:y:2024:i:c:s2214635024000716
    DOI: 10.1016/j.jbef.2024.100956
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    Cited by:

    1. Bossaerts, Peter & Bowman, Elizabeth & Fattinger, Felix & Huang, Harvey & Lee, Michelle & Murawski, Carsten & Suthakar, Anirudh & Tang, Shireen & Yadav, Nitin, 2024. "Resource allocation, computational complexity, and market design," Journal of Behavioral and Experimental Finance, Elsevier, vol. 42(C).
    2. Caporale, Guglielmo Maria & Kyriacou, Kyriacos & Spagnolo, Nicola, 2023. "Aggregate insider trading and stock market volatility in the UK," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 89(C).

    More about this item

    Keywords

    Information aggregation; Rational expectations; Laboratory experiments;
    All these keywords.

    JEL classification:

    • C9 - Mathematical and Quantitative Methods - - Design of Experiments
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty
    • G1 - Financial Economics - - General Financial Markets

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