In this paper two characteristics a priori contradictory and yet coexistent in the daily returns of exchange rate euro/US dollar are drawn. The non-stationarity of the covariance structure of the series is shown and, after the extraction of the unstable variance using the algorithm based on the...

We apply the Bai and Perron method (Econometrica, 1998, 66, 47-78) to search for several structural changes in the real exchange rate misalignment data of the Australian dollar over January 1976 to February 2000. Then, the estimated structural breaks dates are compared with Australian monetary...