This is a GAUSS program. It will implement the estimation and testing

procedures for a Markov switching parameter model as presented in B. Hansen

"The likelihood ratio test under non-standard conditions: Testing the

Markov trend model of GNP."

-This is a GAUSS program.　It will implement the estimation and testing

procedures for a Markov switching parameter model as presented in B. Hansen

"The likelihood ratio test under non-standard conditions: Testing the

Markov trend model of GNP."