A Multivariate Regime-switching GARCH Model

Markus Haas & Ji-Chun Liu
We consider a multivariate Markov-switching GARCH model which allows for regime-specific volatility dynamics, leverage effects, and correlation structures. Conditions for stationarity and expressions for the moments of the process are derived. A Lagrange Multiplier test against misspecification of the within-regime correlation dynamics is proposed, and a simple recursion for multi-step-ahead conditional covariance matrices is deduced. As an application, we model the dynamics of the joint distribution of global stock market and real estate equity returns....
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