Shock-dependent conditional skewness in international aggregate stock markets

Jing-yi Lai

The Quarterly Review of Economics and Finance, 2012, vol. 52, issue 1, 72-83

Abstract: This article uses the SU-normal distribution to model the dynamic behavior of skewness in ten international aggregate stock indices—five indices each from developed and emerging markets. The conditional skewness process is specified as both autoregressive and dependent on lagged return shocks. Our primary result is that a negative return shock skews the time-varying distribution to the right for mature markets but to the left for emerging markets. In addition, we find that the asymmetry in volatility is noticeably larger in developed markets than in emerging markets. Finally, including the skewness process in modeling has no effect on the asymmetry and persistence in volatility obtained. These results are different from those of previous studies, which demonstrate the existence of both effects.

Keywords: Volatility asymmetry; Conditional skewness; SU-normal distribution; International stock indices (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:quaeco:v:52:y:2012:i:1:p:72-83

DOI: 10.1016/j.qref.2011.12.002

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