Raihan, Sharif Md.; Wen, Yi; Zeng, Bing - Federal Reserve Bank of St. Louis - 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 … information because they do not take the time-varying characteristics of the business cycles into consideration. In this paper, we …