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Costly Interpretation of Asset Prices

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  • Vives, Xavier
  • Yang, Liyan
  • Mondria, Jordi
Abstract
We propose a model in which investors cannot costlessly process information from asset prices. At the trading stage, investors are boundedly rational and their interpretation of prices injects noise into the price, generating a source of endogenous noise trading. Our setup predicts price momentum and yields excessive return volatility and excessive trading volume. In an overall equilibrium, investors optimally choose sophistication levels by balancing the benefit of beating the market against the cost of acquiring sophistication. There can exist strategic complementarity in sophistication acquisition, leading to multiple equilibria.

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  • Vives, Xavier & Yang, Liyan & Mondria, Jordi, 2017. "Costly Interpretation of Asset Prices," CEPR Discussion Papers 12360, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:12360
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    Cited by:

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    2. Hirota, Shinichi, 2023. "Money supply, opinion dispersion, and stock prices," Journal of Economic Behavior & Organization, Elsevier, vol. 212(C), pages 1286-1310.
    3. Matteo Bizzarri & Daniele d'Arienzo, 2023. "The social value of overreaction to information," CSEF Working Papers 690, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    4. Corgnet, Brice & DeSantis, Mark & Porter, David, 2020. "The distribution of information and the price efficiency of markets," Journal of Economic Dynamics and Control, Elsevier, vol. 110(C).
    5. Zhou, Xuan & Kang, Junqing, 2023. "Searching for ESG Information: Heterogeneous Preferences and Information Acquisition," Journal of Economic Dynamics and Control, Elsevier, vol. 153(C).
    6. George-Marios Angeletos & Zhen Huo, 2021. "Myopia and Anchoring," American Economic Review, American Economic Association, vol. 111(4), pages 1166-1200, April.
    7. Corgnet, Brice & DeSantis, Mark & Porter, David, 2020. "The distribution of information and the price efficiency of markets," Journal of Economic Dynamics and Control, Elsevier, vol. 110(C).
    8. Jonathan G. James & Philip Lawler, 2024. "Clarity of Central Bank Communication and the Social Value of Public Information," Working Papers 2024-03, Swansea University, School of Management.
    9. Kohlhas, Alexandre N., 2020. "An informational rationale for action over disclosure," Journal of Economic Theory, Elsevier, vol. 187(C).
    10. Martineau, Charles & Zoican, Marius, 2023. "Retail trading and analyst coverage," Journal of Financial Markets, Elsevier, vol. 66(C).

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    Keywords

    Investor sophistication; Price momentum; Asset prices; Complementarity;
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