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Announcements, expectations, and stock returns with asymmetric information

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  • Han, Leyla Jianyu

Abstract

Revisions of consensus macroeconomic and earnings forecasts positively predict announcement-day forecast errors, whereas stock market returns during forecast revision periods negatively predict announcement-day returns. A dynamic noisy rational expectations model with periodic announcements quantitatively accounts for these findings. Under asymmetric information, informed investors’ forecast revisions positively predict forecast errors of the uninformed, causing average beliefs to underreact to new information and positively predict belief errors. Additionally, stock prices are partially driven by noise. Noise impact accumulates into stock prices during revision periods but gets corrected upon announcements. Therefore, revision period price changes negatively predict announcement-day returns.

Suggested Citation

  • Han, Leyla Jianyu, 2025. "Announcements, expectations, and stock returns with asymmetric information," Journal of Monetary Economics, Elsevier, vol. 151(C).
    • Handle: RePEc:eee:moneco:v:151:y:2025:i:c:s0304393225000224
    DOI: 10.1016/j.jmoneco.2025.103751
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    More about this item

    Keywords

    Macroeconomic announcement; Earnings announcement; Expectations formation; Noisy rational expectations; Trading volume;
    All these keywords.

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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