Dynamic global linkages of the BRICS stock markets with the U.S. and Europe under external crisis shocks: Implications for portfolio risk forecasting

Hammoudeh, Shawkat and Kang, Sang Hoon and Mensi, Walid and Nguyen, Duc Khuong (2014): Dynamic global linkages of the BRICS stock markets with the U.S. and Europe under external crisis shocks: Implications for portfolio risk forecasting.

Abstract

Crisis shocks often lead to changes in the interdependence across stock markets, and thus risk assessment and management. This paper investigates the extent to which the global financial crisis of 2008-2009, which was triggered by the US subprime crisis in 2007, and the European debt crisis started at the end of 2009, affect the interdependence of the leading emerging markets of the BRICS countries with those of the United States and Europe. Our empirical analysis makes use of the FIAPARCH model combined with the Dynamic Equicorrelation (DECO-FIAPARCH), which allows for the estimation of market linkage for a large group of countries as a whole, while controlling for asymmetric volatility and long memory. The results reveal the presence of important changes in the time-varying linkages of the BRICS stock markets with the US and European ones. In particular, the average linkages have significantly been higher between 2007 and the first half of 2012 than the remaining part of the sample, and there is also evidence of structural change around the Lehman Brothers collapse. We also show the effects of these stylized facts on portfolio risk assessment and forecasting.

• Item Type: MPRA Paper
• Language: English
• Keywords: dynamic linkages; crisis shocks; risk assessment; DECO-FIAPARCH
• Subjects: G - Financial Economics > G1 - General Financial Markets > G14 - Information and Market Efficiency ; Event Studies ; Insider Trading; G - Financial Economics > G1 - General Financial Markets > G15 - International Financial Markets

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