The relationships between unsystematic risk, skewness and stock returns during up and down markets

Gordon Y. N. Tang and Wai Cheong Shum

International Business Review, 2003, vol. 12, issue 5, 523-541

Abstract: A recent article published in International Business Review (12 (2003) 109) argues for the usefulness of beta as a measure of risk in international stock markets. The beta-return relationship is significantly positive (negative) when the market excess returns are positive (negative). This paper extends their study further by examining other statistical risk measures. It is well known that stock returns are non-normally distributed with significant skewness and kurtosis. Under the same conditional framework, investors are found not only compensated for bearing beta risk, but also for bearing unsystematic risk, providing evidence that international investors do not hold well-diversified portfolios. Skewness, but not kurtosis, plays a significant role in pricing international stock returns. Investors accept less positive returns for positively skewed portfolios. Total risk is significantly and positively (negatively) related to realized weekly returns during up (down) markets. Our results support previous findings and add that other statistical risk measures are also useful in explaining the cross-sectional variations in international stock returns, and hence, are relevant to portfolio managers.

Keywords: Risk-return; Conditional; CAPM; Beta; Skewness; International; markets (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (13)

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