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Risk Aversion, Uncertain Information, and Market Efficiency

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  • Corrado, Charles J
  • Jordan, Bradford D

Abstract

We reexamine and extend tests of the uncertain information hypothesis (UIH) proposed by Brown, Harlow, and Tinic (1988, 1993). We find that their empirical results are sensitive to the sampling procedure employed and that their particular methodology does not sufficiently distinguish between event and nonevent periods. When the sampling procedure is modified to identify only relatively large, isolated events, the test results generally do not support the UIH. Instead, significant price shocks are consistently followed by short-lived price reversals. We observe this behavior following positive and negative events regardless of whether the event is classified as risk increasing or risk decreasing. Copyright 1997 by Kluwer Academic Publishers

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  • Corrado, Charles J & Jordan, Bradford D, 1997. "Risk Aversion, Uncertain Information, and Market Efficiency," Review of Quantitative Finance and Accounting, Springer, vol. 8(1), pages 51-68, January.
    • Handle: RePEc:kap:rqfnac:v:8:y:1997:i:1:p:51-68
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    Cited by:

    1. Piccoli, Pedro & Chaudhury, Mo & Souza, Alceu, 2017. "How do stocks react to extreme market events? Evidence from Brazil," Research in International Business and Finance, Elsevier, vol. 42(C), pages 275-284.
    2. Klaudia Radoczy & Akos Toth-Pajor, 2021. "Investors' Reactions to Extreme Events in the Hungarian Stock Market," Financial and Economic Review, Magyar Nemzeti Bank (Central Bank of Hungary), vol. 20(3), pages 5-30.
    3. Xu, Jiwei & Deng, Zhenghong & Song, Qun & Chi, Qian & Wu, Tao & Huang, Yijie & Liu, Dan & Gao, Mingyu, 2020. "Multi-UAV counter-game model based on uncertain information," Applied Mathematics and Computation, Elsevier, vol. 366(C).
    4. Todorova, Neda, 2017. "The intraday directional predictability of large Australian stocks: A cross-quantilogram analysis," Economic Modelling, Elsevier, vol. 64(C), pages 221-230.
    5. Shuxing Yin & Khelifa Mazouz & Abdelhafid Benamraoui & Brahim Saadouni, 2018. "Stock price reaction to profit warnings: the role of time-varying betas," Review of Quantitative Finance and Accounting, Springer, vol. 50(1), pages 67-93, January.
    6. Amini, Shima & Gebka, Bartosz & Hudson, Robert & Keasey, Kevin, 2013. "A review of the international literature on the short term predictability of stock prices conditional on large prior price changes: Microstructure, behavioral and risk related explanations," International Review of Financial Analysis, Elsevier, vol. 26(C), pages 1-17.
    7. Chun-Teck Lye & Tuan-Hock Ng & Kwee-Pheng Lim & Chin-Yee Gan, 2020. "Investor protection and market reaction to unusual market activity replies," International Journal of Emerging Markets, Emerald Group Publishing Limited, vol. 16(8), pages 2034-2069, July.
    8. Sturm, Philipp, 2013. "Operational and reputational risk in the European banking industry: The market reaction to operational risk events," Journal of Economic Behavior & Organization, Elsevier, vol. 85(C), pages 191-206.

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