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Crises, market shocks, and herding behavior in stock price forecasts

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  • Yoichi Tsuchiya

    (Tohoku University)

Abstract

This study examines the (anti-) herding behaviors of stock price forecasters, focusing on whether their behaviors are time-varying. It studies stock price forecasts for the Nikkei 225 price index from the ESP Forecast in Japan based on nonparametric methods. Empirical results show that stock price forecasters are likely to anti-herd, and the uncertainty caused by financial crises and market shocks is related to the prevalence of (anti-) herding. This study finds that an increase in forecast uncertainty works in both directions, toward herding and anti-herding. Unprecedented shocks, including the financial crises, European sovereign debt crisis, and newly introduced policy packages by Abenomics, increase incentives to differentiate forecasts from others, possibly due to reputation or superstar effects. However, some market shocks, including the BNP Paribas shock and the China shock, intensified herding or lessened anti-herding.

Suggested Citation

  • Yoichi Tsuchiya, 2021. "Crises, market shocks, and herding behavior in stock price forecasts," Empirical Economics, Springer, vol. 61(2), pages 919-945, August.
    • Handle: RePEc:spr:empeco:v:61:y:2021:i:2:d:10.1007_s00181-020-01894-4
    DOI: 10.1007/s00181-020-01894-4
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    1. Jakub Rybacki & Michał Gniazdowski, 2023. "Macroeconomic forecasting in Poland: lessons from the external shocks," Bank i Kredyt, Narodowy Bank Polski, vol. 54(1), pages 45-64.

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    More about this item

    Keywords

    Stock price; (Anti-) herding; Financial crisis; European sovereign debt crisis; Superstar effect; Abenomics;
    All these keywords.

    JEL classification:

    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy

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