An empirical study of the impact of skewness and kurtosis on hedging decisions

Jing-Yi Lai

Quantitative Finance, 2012, vol. 12, issue 12, 1827-1837

Abstract: This study uses real price data rather than a simulation approach to investigate how hedging behaviours may change when hedgers consider skewness and excess kurtosis of hedging returns in their decision models. The study involves modelling the time-varying skewness and excess kurtosis of returns. The empirical results show that adding a preference for positively skewed returns to traditional mean-variance models may not lead to more speculative hedging/investment behaviours. Post-hedged return distributions suggest that the third moments of hedged portfolios have probably been well adjusted by mean-variance strategies, rendering three-moment decision models on a par with traditional mean-variance models. Additionally, considering the aversion to excess kurtosis will cause investors to hedge more. The research also provides empirical support for traditional minimum-variance strategies.

Date: 2012
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DOI: 10.1080/14697688.2012.696677

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