Testing for Leverage Effect in Financial Returns

Abstract : This article questions the empirical usefulness of leverage effects to describe the dynamics of equity returns. Using a recursive estimation scheme that accurately disentangles the asymmetry coming from the conditional distribution of returns and the asymmetry that is related to the past return to volatility component in GARCH models, we test for the statistical significance of the latter. Relying on both in and out of sample tests we consistently find a weak contribution of leverage effect over the past 25 years of S&P 500 returns, casting light on the importance of the conditional distribution in time series models.
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https://halshs.archives-ouvertes.fr/halshs-00973922
Contributor : Lucie Label <>
Submitted on : Friday, April 4, 2014 - 5:34:54 PM
Last modification on : Thursday, October 4, 2018 - 6:28:02 PM
Long-term archiving on : Friday, July 4, 2014 - 2:10:37 PM

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  • HAL Id : halshs-00973922, version 1

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Christophe Chorro, Dominique Guegan, Florian Ielpo, Hanjarivo Lalaharison. Testing for Leverage Effect in Financial Returns. 2014. ⟨halshs-00973922v1⟩

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