Li, Yushu; Shukur, Ghazi - In: Computational Economics 41 (2013) 1, pp. 59-69
For testing unit root in single time series, most tests concentrate on the time domain. Recently, Fan and Gençay (Econom Theory 26:1305–1331, <CitationRef CitationID="CR8">2010</CitationRef>) proposed a wavelet ratio test which took advantage of the information from the frequency domain by using a wavelet spectrum methodology. This...</citationref>