In this paper, the deflation puzzle in Turkey is examined for the period of 1998Q1- 2014Q1 using triangle model of inflation to forecast Phillips Curve. The NAIRU (non-accelerating inflation rate of unemployment) is added Phillips Curve Model by using three different methods which are Augmented Phillips Curve, Hodrick-Prescott Filter and Time Varying Parameters Model. According to the result of this paper, there is no deflation puzzle in Turkey for the period of 1998Q1- 2014Q1 and the triangle model of inflation is successfull to estimating inflation in Turkey.
Key words: Inflation Triangle Model, Disinflation Puzzle, Time-variying NAIRU, Phillips Curve. JEL Classification: E31, E37, J64. Article Language: EnglishTurkish
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