Trend Inflation, Indexation, and Inflation Persistence in the New Keynesian Phillips Curve
2008 ◽
Vol 98
(5)
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pp. 2101-2126
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Purely forward-looking versions of the New Keynesian Phillips curve (NKPC) generate too little inflation persistence. Some authors add ad hoc backward-looking terms to address this shortcoming. We hypothesize that inflation persistence results mainly from variation in the long-run trend component of inflation, which we attribute to shifts in monetary policy. We derive a version of the NKPC that incorporates a time-varying inflation trend and examine whether it explains the dynamics of inflation. When drift in trend inflation is taken into account, a purely forward-looking version of the model fits the data well, and there is no need for backward-looking components. (JEL E12, E31, E52)
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2009 ◽
Vol 12
(2)
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pp. 304-326
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2007 ◽
Vol 29
(1)
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pp. 37-59
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2012 ◽
Vol 29
(5)
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pp. 2058-2070
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