Levy, Daniel; Dezhbakhsh, Hashem - In: Applied Economics Letters 10 (2003) 7, pp. 417-423
In a classic article, Granger (Econometrica 34, 1966) asserted that most economic time series measured in level have spectra that exhibit a smooth declining shape with considerable power at very low frequencies. There has been no systematic attempt to examine Granger's assertion with...