Munich Personal RePEc Archive

A Coronavirus Asset Pricing Model: The Role of Skewness

Delis, Manthos and Savva, Christos and Theodossiou, Panayiotis (2020): A Coronavirus Asset Pricing Model: The Role of Skewness.

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Abstract

We study an equilibrium risk and return model to explore the effects of the coronavirus crisis and associated skewness. We derive the moment and equilibrium equations, specifying skew-ness price of risk as an additive component of the effect of variance on mean expected return. We estimate our model using the flexible skewed generalized error distribution, for which we derive the distribution of returns and the likelihood function. Using S&P 500 Index returns from January 1990 to mid-May 2020, our results show that the coronavirus crisis generated the most negative reaction in the skewness price of risk, more negative even than the subprime crisis.

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