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The 2008 short-selling ban’s impact on tail risk

Author

Listed:
  • Bartl, Jonas
  • Bostandzic, Denefa
  • Irresberger, Felix
  • Weiß, Gregor
  • Yang, Ruomei

Abstract

We examine how the 2008 U.S. short-selling ban on the stocks of financial institutions impacted their equity tail risk. Using propensity score matching and difference-in-difference regressions, we show that the ban was not effective in restoring financial stability as measured by the stocks’ dynamic Marginal Expected Shortfall. In contrast, especially large institutions, those who were most vulnerable to market downturns in the preban period, as well as those equities with associated put option contracts, experienced sharp increases in their exposure to market downturns during the ban period, contrary to regulators’ intentions.

Suggested Citation

  • Bartl, Jonas & Bostandzic, Denefa & Irresberger, Felix & Weiß, Gregor & Yang, Ruomei, 2024. "The 2008 short-selling ban’s impact on tail risk," Journal of Empirical Finance, Elsevier, vol. 78(C).
    • Handle: RePEc:eee:empfin:v:78:y:2024:i:c:s0927539824000677
    DOI: 10.1016/j.jempfin.2024.101532
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    More about this item

    Keywords

    Short-selling ban; Tail risk; Financial stability; Financial crisis;
    All these keywords.

    JEL classification:

    • 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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