Tail Contagion: Were Vietnam and China Stock Markets Out of the US Mortgage Crisis?
22 Pages Posted: 20 Aug 2015
Date Written: August 19, 2015
Abstract
The paper applies non-parametric methods of Chi-plots and Kendall (K)-plots and three different copula functions to empirically examine the tail dependence between the U.S. stock market and stock markets in Vietnam and China in order to test contagion effect after the U.S. subprime mortgage crisis. The results indicate the presence of left tail dependence before and after the crisis suggesting no change in dependence structure but stronger left tail dependence between the U.S. and Vietnam stock markets. Thus, the US and Vietnam stock markets are more prone to crashing than booming together. Between the U.S. and Shanghai stock markets, the results provide evidence of a left tail dependence before the crisis, but no evidence of tail dependence after the crisis indicating that the dependence structure between U.S. and Shanghai stock markets changed after the crisis. On the contrary, the findings show that the Shenzhen stock market is independent of the U.S. market in both before and after crisis periods which imply that an extreme event in the U.S. market is less likely to influence the Shenzhen stock market. This suggests that there is significant potential for risk diversification by investing in the Shenzhen market by U. S. investors after the financial crisis. The results have not been documented in the existing literature and provide a new insight into risk diversification between the stock markets.
Keywords: financial crisis, tail contagion, Vietnam, China
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