Raihan, Sharif Md. (contributor); Wen, Yi (contributor); … - 2005
"One basic problem in business-cycle studies is how to deal with nonstationary time series. The market economy is an … methods of business cycle analysis, such as the correlation analysis and the spectral analysis, cannot capture such historical … introduce and apply a new technique to the studies of the business cycle: the wavelet-based time-frequency analysis that has …