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Autoren: 
Caporale, Guglielmo Maria
Cunado, Juncal
Gil-Alana, Luis A.
Datum: 
2007
Schriftenreihe/Nr.: 
CESifo Working Paper No. 1989
Zusammenfassung: 
This paper considers a general model which allows for both deterministic and stochastic forms of seasonality, including fractional (stationary and nonstationary) orders of integration, and also incorporating endogenously determined structural breaks. Monte Carlo analysis shows that the suggested procedure performs well even in small samples, accurately capturing the seasonal properties of the series, and correctly detecting the break date. As an illustration, the model is estimated for four different US series (output, consumption, imports and exports). The results suggest that the seasonal patterns of these variables have changed over time: specifically, in the second subsample the systematic component of seasonality becomes insignificant, whilst the degree of persistence increases.
JEL: 
C22
Dokumentart: 
Working Paper

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