5Hamilton.J.D and Susmel R. Autoregressive conditional heteroskedasticity and Change in regime.Journal of Economtrics, 1994,64:307- 333.
6Goodwin,T.H.Business- cycle analysis with a Markov Switching model.Jour- nal of Business&Economic Statistics,1993,11: 331-339.
7George Hondroyiannis,Evangelia Papapetrou.Stock returns and inflacation in Greece:A Markov Switching approach.Re- view of Financial Economics,2006.15.
8Kim,C.J and Nelson,C.R.StateSpace Models with Markov Switching-Classical And Gibbs Sampling Approach with Applications.MIT Press,1994.