Title

Inflation persistence and structural breaks: The experience of inflation targeting countries and the USA

Document Type

Article

Publication Date

1-1-2016

Publication Title

Journal of Economic Studies

Volume

43

Issue

6

First page number:

980

Last page number:

1005

Abstract

Purpose: The purpose of this paper is to report on a sequential three-stage analysis of inflation persistence using monthly data from 11 inflation targeting (IT) countries and, for comparison, the USA, a non-IT country with a history of credible monetary policy. Design/methodology/approach: First, the authors estimate inflation persistence in a rolling-window fractional-integration setting using the semiparametric estimator suggested by Phillips (2007). Second, the authors use tests for unknown structural breaks as a means to identify effects of the regime switch and the global financial crisis on inflation persistence. The authors use the sequences of estimated persistence measures from the first stage as dependent variables in the Bai and Perron (2003) structural break tests. Finally, the authors reapply the Phillips (2007) estimator to the subsamples defined by the breaks. Findings: Four countries (Canada, Iceland, Mexico, and South Korea) experience a structural break in inflation persistence that coincide with the implementation of the IT regime, and three IT countries (Sweden, Switzerland, and the UK), as well as the USA experience a structural break in inflation persistence that coincides with the global financial crisis. Research limitations/implications: The authors find that in most cases the estimates of inflation persistence switch from mean-reversion nonstationarity to mean-reversion stationarity. Practical implications: Monetary policy implications differ between pre- and post-global financial crisis. Social implications: Global financial crisis affected the persistence of inflation rates. Originality/value: First paper to consider the effect of the global financial crisis on inflation persistence. © 2016, © Emerald Group Publishing Limited.

Keywords

Fractional integration; Inflation persistence; Inflation targeting; Rolling-window estimation; Structural breaks

Language

English

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