Portillo Perez de Viñaspre, Fabiola; Pascual, Perez; … - In: Review on Economic Cycles 2 (2001) 1
The Fourier transformation of a stationary series allows to look at the different frequency components of the series. By isolating frequency components in a group of series, the possibility of the relationships between the series varying with frequency can be also analysed. The aim of this paper...