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Do Short Selling Restrictions Destabilize Stock Markets? Lessons from Taiwan

Author

Listed:
  • Martin T. Bohl

    (Westfalische Wilhelms-University Munster)

  • Badye Essid

    (Centre for International Governance Innovation)

  • Pierre L. Siklos

    (Wilfrid Laurier University and Hong Kong Institute for Monetary Research)

Abstract

Short sellers have been routinely blamed for triggering, or exacerbating, stock market declines. The experience of Taiwan provides an interesting case study of the impact of short selling bans on stock returns volatility in a time series framework due to the length of time the short selling ban was in place there. Estimating several variants of an asymmetric GARCH model and a Markov switching GARCH model we find robust evidence that short selling restrictions raise stock returns volatility. The only qualifier is that the impact of short sale bans is a feature of the expansionary phase of business cycles. During recessions this effect dissipates.

Suggested Citation

  • Martin T. Bohl & Badye Essid & Pierre L. Siklos, 2011. "Do Short Selling Restrictions Destabilize Stock Markets? Lessons from Taiwan," Working Papers 112011, Hong Kong Institute for Monetary Research.
  • Handle: RePEc:hkm:wpaper:112011
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    References listed on IDEAS

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    Cited by:

    1. Nathalie Oriol & Iryna Veryzhenko, 2015. "Market structure or traders’ behavior? An assessment of flash crash phenomena and their regulation based on a multi-agent simulation," Working Papers halshs-01254435, HAL.
    2. Bohl, Martin T. & Reher, Gerrit & Wilfling, Bernd, 2016. "Short selling constraints and stock returns volatility: Empirical evidence from the German stock market," Economic Modelling, Elsevier, vol. 58(C), pages 159-166.
    3. Martin T. Bohl, Badye Essid, Pierre Siklos, 2018. "Short-Selling Bans and the Global Financial Crisis: Are they Inter-Connected?," LCERPA Working Papers 0112, Laurier Centre for Economic Research and Policy Analysis, revised 30 Jan 2018.
    4. Blau, Benjamin M. & Smith, Jason M., 2014. "Autocorrelation in daily short-sale volume," The Quarterly Review of Economics and Finance, Elsevier, vol. 54(1), pages 31-41.

    More about this item

    Keywords

    Short-Selling Bans; Taiwanese Stock Market; Asymmetric GARCH Models; Markov Switching Models;

    JEL classification:

    • 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
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation

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