Long and Short-term Volatility Comovements in the East Asian Stock

Jin Yong Yang, Sang-Heon Lee and In-Sung Yeo

Applied Economics and Finance, 2017, vol. 4, issue 3, 14-29

Abstract: This study analyzed volatility comovement and contagion in the stock markets of four countries (China, Japan, Korea, and Taiwan) in East Asia, which are closely connected with each other geographically and economically in terms of short-term and long-term perspectives. The volatility of stock returns has complex properties of not only volatility clustering, but also long memory, regime change, and substantial outliers. This study reviewed the volatility comovement and contagion in a stock market from long-term and short-term perspectives with the Bivariate Markov Switching Multifractal (BMSM) volatility model that is known for explaining such characteristics well, in spite of using small number of parameters. The empirical analysis results are as follows: China has no significant correlation with the other three countries. Therefore, China stock market is regarded as isolated or segmented market. The influence of the financial crisis on East Asian countries varies depending on the country. Regardless of the starting point of the crisis, Korea and Taiwan are shown to be vulnerable to external impact, compared to China and Japan. From the perspective of the nature of crisis, financial crisis that occurred in 1997 in East Asia and South Europe in 2011 were identified as local shocks as they had an impact on only a few countries, while the global crisis in 2008 was identified as global shock because it caused significant short-term and/or mid and long-term volatility of all countries.

Keywords: volatility; spillovers; comovement; bivariate Markov-switching multifractal model; Hamilton filter (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:rfa:aefjnl:v:4:y:2017:i:3:p:14-29

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