A bounded model of time variation in trend inflation, NAIRU and the Phillips curve

Chan, Joshua C. C. and Koop, Gary and Potter, Simon M. (2016) A bounded model of time variation in trend inflation, NAIRU and the Phillips curve. Journal of Applied Econometrics, 31 (3). pp. 551-565. ISSN 0883-7252 (https://doi.org/10.1002/jae.2442)

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Abstract

In this paper, we develop a bivariate unobserved components model for in‡ation and unemployment. The unobserved components are trend in‡ation and the non-accelerating in‡ation rate of unemployment (NAIRU). Our model also incorporates a time-varying Phillips curve and time-varying in‡ation persistence. What sets this paper apart from the existing literature is that we do not use unbounded random walks for the unobserved components, but rather use bounded random walks. For instance, NAIRU is assumed to evolve within bounds. Our empirical work shows the importance of bounding. We …nd that our bounded bivariate model forecasts better than many alternatives, including a version of our model with unbounded unobserved components. Our model also yields sensible estimates of trend in‡ation, NAIRU, in‡ation persistence and the slope of the Phillips curve.

ORCID iDs

Chan, Joshua C. C., Koop, Gary

and Potter, Simon M.;

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Item metadata

Item type:	Article
ID code:	50505
Dates:	Date Event 1 April 2016 Published 15 January 2015 Published Online 23 November 2014 Accepted
Subjects:	Social Sciences > Economic Theory
Department:	Strathclyde Business School > Economics
Depositing user:	Pure Administrator
Date deposited:	25 Nov 2014 09:38
Last modified:	26 Nov 2024 01:08
URI:	https://strathprints.strath.ac.uk/id/eprint/50505

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