Yogo, Motohiro2023-05-222023-05-222008-01-012016-05-26https://repository.upenn.edu/handle/20.500.14332/34508Multiresolution wavelet analysis is a natural way to decompose an economic time series into trend, cycle, and noise. The method is illustrated with GDP data. The business-cycle component of the wavelet-filtered series closely resembles the series filtered by the approximate bandpass filter.© 2008. This manuscript version is made available under the CC-BY-NC-ND 4.0 license (http://creativecommons.org/licenses/by-nc-nd/4.0/)EconometricsFinance and Financial ManagementArticle