In recent years two classes of switching models have been proposed, the Markov switching models, Hamilton (1989) and the Threshold Auto- Regressive Models (TAR), Lim and Tong (1980). These two models have the advantage of being able to modelize and capture asymmetry, sudden changes and...

Before the 1997-98 crisis, the East Asian economies—except for Japan—informally pegged their currencies to the dollar. These soft pegs made them vulnerable to a depreciating yen thereby aggravating the crisis. To limit future misalignments, the IMF wants East Asian currencies to float...