Model Switching and Model Averaging in Time-Varying Parameter Regression Models

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Belmonte, Miguel and Koop, Gary (2013) Model Switching and Model Averaging in Time-Varying Parameter Regression Models. Discussion paper. University of Strathclyde, Glasgow.

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Abstract

This paper investigates the usefulness of switching Gaussian state space models as a tool for implementing dynamic model selecting (DMS) or averaging (DMA) in time-varying parameter regression models. DMS methods allow for model switching, where a di§erent model can be chosen at each point in time. Thus, they allow for the explanatory variables in the time-varying parameter regression model to change over time. DMA will carry out model averaging in a time-varying manner. We compare our exact approach to DMA/DMS to a popular existing procedure which relies on the use of forgetting factor approximations. In an application, we use DMS to select di§erent predictors in an ináation forecasting application. We also compare di§erent ways of implementing DMA/DMS and investigate whether they lead to similar results.

ORCID iDs

Belmonte, Miguel and Koop, Gary ORCID logoORCID: https://orcid.org/0000-0002-6091-378X;
  • Item type:Monograph(Discussion paper)
    ID code:68111
    Dates:
    Date
    Event
    31 January 2013
    Published
    Notes:Published as a paper within the Discussion Papers in Economics, No. 13-02 (2013)
    Subjects:Social Sciences > Economic Theory
    Department:Strathclyde Business School > Economics
    Depositing user: Pure Administrator
    Date deposited:29 May 2019 13:17
    Last modified:15 Nov 2024 12:06
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/68111
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