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Does the equity premium puzzle persist during financial crisis? The case of the French equity market

Abstract : This paper examines the effects of the financial crisis that began in 2008 on the equity premium of 6 French sector indices. Since the systematic risk coefficient beta remains the most common explanatory element of risk premium in most asset pricing models, we investigate the impact of the crisis on the time-varying beta of the six sector indices cited. We selected daily data from January 2003 to December 2012 and we applied the bivariate MA-GARCH model (BEKK) to estimate time-varying betas for the sector indices. The crisis was marked by increased volatility of the sector indices and the market. This rise in volatility led to an increase in the systematic risk coefficient during the crisis and first post-crisis period for all the major indices. The results are intuitive and corroborate findings in the empirical literature. The increase of the time-varying beta is considered by investors as an additional risk. Therefore, as expected, investors tend to increase their equity premiums to b ear the impact of financial crisis.
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https://hal-u-picardie.archives-ouvertes.fr/hal-03819794
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Soumis le : mardi 18 octobre 2022 - 15:45:17
Dernière modification le : mercredi 19 octobre 2022 - 03:20:09

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Makram Bellalah, Mondher Bellalah, H. Ben Ameur, R. Ben Hafsia. Does the equity premium puzzle persist during financial crisis? The case of the French equity market. Research in International Business and Finance, 2017, 39, pp.851-866. ⟨10.1016/j.ribaf.2015.02.018⟩. ⟨hal-03819794⟩

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