Bayesian near-boundary analysis in basic macroeconomic time-series models

Michiel de Pooter, Francesco Ravazzolo, Rene Segers and Herman van Dijk

A chapter in Bayesian Econometrics, 2008, pp 331-402 from Emerald Group Publishing Limited

Abstract: Several lessons learnt from a Bayesian analysis of basic macroeconomic time-series models are presented for the situation where some model parameters have substantial posterior probability near the boundary of the parameter region. This feature refers to near-instability within dynamic models, to forecasting with near-random walk models and to clustering of several economic series in a small number of groups within a data panel. Two canonical models are used: a linear regression model with autocorrelation and a simple variance components model. Several well-known time-series models like unit root and error correction models and further state space and panel data models are shown to be simple generalizations of these two canonical models for the purpose of posterior inference. A Bayesian model averaging procedure is presented in order to deal with models with substantial probability both near and at the boundary of the parameter region. Analytical, graphical, and empirical results using U.S. macroeconomic data, in particular on GDP growth, are presented.

Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eme:aecozz:s0731-9053(08)23011-2

DOI: 10.1016/S0731-9053(08)23011-2

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