A Markov-switching Model of Inflation in Australia
This paper applies the methodology of Markov-switching models to describe the inflation process in Australia in the period since the early 1960s. In contrast to conventional modelling, the approach makes explicit allowance for the possibility of structural change: inflation is modelled within a framework that allows endogenous switching between simple inflation equations. The approach may be relevant to understanding shifts in inflation expectations if the public also uses relatively simple forecasting rules in formulating expectations. The results suggest that inflation is reasonably well represented by relatively simple functions of past inflation and an output gap term, with major regime changes occurring in the early 1970s and early 1990s.
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