Naslov
Indirect seasonal adjustment of some aggregate Croatian economic time series

Autori
Bahovec, Vlasta ; Čižmešija, Mirjana ; Šošić, Ivan

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the 10th International Conference on Operational Research - KOI 2004 / Scitovski, R. ; Jukić, D. - Trogir : Hrvatsko društvo za operacijska istraživanja (CRORS), 2005, 41-51

ISBN
953-6931-15-X

Skup
The 10th International Conference on Operational Research - KOI 2004

Mjesto i datum
Trogir, Hrvatska, 22.09.2004. - 24.09.2004

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Direct and indirect seasonal adjustment; Aggregate time series; X-12-ARIMA; TRAMO-SEATS; DAINTIES
(direct and indirect seasonal adjustment; aggregate time series; X-12-ARIMA; TRAMO-SEATS; DAINTIES)

Sažetak
There are two approaches to seasonal adjustment of an aggregate time series: direct and indirect one. Direct seasonal adjustment is obtained by applying the seasonal adjustment to the aggregate series while indirect adjustment is aggregation of seasonally adjusted sub-components. Except under very restrictive conditions, these two approaches usually produce different results. In this paper some of aggregate economic time series of the Croatian Central Bureau of Statistics were directly and indirectly seasonally adjusted using TRAMO/SEATS, X-12-ARIMA and DAINTIES. The aim of this paper is to investigate differences between growth rates in the direct and indirect adjusted series. Growth rates are very important pieces of information in the analysis of economic activity. It can be concluded that the indirect approach should be preferred, especially if components of aggregate series do not have similar seasonal properties.

Izvorni jezik
Engleski

Znanstvena područja
Ekonomija

POVEZANOST RADA