In this paper, the authors examine how weel the Hodrick-Prescott filter (HP) and the band-pass filter recently proposed by Baxter and King (BK) extract the business-cycle component of macroeconomic time series.

The sharp depreciation of the Canadian dollar and the successful launch of the euro have spawned an animated debate in Canada concerning the potential benefits of formally adopting the U.S. dollar as our national currency. Some observers have suggested that this debate is largely irrelevant,...