Caporale, Guglielmo Maria; Gil-Alaña, Luis A.; Poza, Carlos - In: Recent econometric techniques for macroeconomic and …, (pp. 293-302). 2021
This paper uses a modelling framework which includes two singularities (or poles) in the spectral density function, one corresponding to the long-run (zero) frequency and the other to the cyclical (nonzero) frequency. The adopted specification is very general, since it allows for fractional...
