Modelling Gross Domestic Product Series in Turkey

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Çukurova Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi
Volume:20 Issue:1
Modelling Gross Domestic Product Series in Turkey

Modelling Gross Domestic Product Series in Turkey

Authors : Mehmet ÖZMEN, Sera ŞANLI

Pages : 187-208

View : 53 | Download : 12

Publication Date : 2016-06-30

Article Type : Research Paper

Abstract :All the studies regarding time series methods are useful only in case the series in interest do not display seasonal patterns. That is why it is of great importance to take the time series properties of the series like seasonal patterns or trends into account while dealing with economic time series data and the research on what form of seasonality exists (deterministic or stochastic) in the data in interest and thus the way of modelling seasonality is also crucial (Türe & Akdi, 2005, p.3). Considering its importance with this respect, in this application, it has been aimed to decide about which seasonal pattern quarterly GDP (Gross Domestic Product) series displays over 1998Q1-2014Q4 for Turkey by recoursing to DHF (Dickey, Hasza and Fuller) and HEGY (Hylleberg, Engle, Granger and Yoo) test procedures and it has been mainly focused on the dummy variable and trigonometric representations of deterministic seasonality.
Keywords : Deterministicstochastic seasonality, dummy variable representation, trigonometric representation, DHF test, HEGY test

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