Acta Univ. Agric. Silvic. Mendelianae Brun. 2017, 65(6), 1889-1894 | DOI: 10.11118/actaun201765061889

Comparing Entropy and Beta as Measures of Risk in Asset Pricing

Galina Deeva
Department of Finance, Faculty of Economics and Administration, Masaryk University, Lipová 41a, 602 00 Brno, Czech Republic

The paper establishes entropy as a measure of risk in asset pricing models by comparing its explanatory power with that of classic capital asset pricing model's beta to describe the diversity in expected risk premiums. Three different non-parametric estimation procedures are considered to evaluate financial entropy, namely kernel density estimated Shannon entropy, kernel density estimated Rényi entropy and maximum likelihood Miller-Madow estimated Shannon entropy. The comparison is provided based on the European stock market data, for which the basic risk-return trade-off is generally negative. Kernel density estimated Shannon entropy provides the most efficient results not dependent on the choice of the market benchmark and without imposing any prior model restrictions.

Keywords: entropy, risk measure, beta, asset pricing
Grants and funding:

The support of the Masaryk University internal grant MUNI/A/1039/2016 is gratefully acknowledged.

Published: December 7, 2017  Show citation

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Deeva, G. (2017). Comparing Entropy and Beta as Measures of Risk in Asset Pricing. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 65(6), 1889-1894. doi: 10.11118/actaun201765061889
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