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Forecast evaluation of small nested model sets

Kirstin Hubrich () and Kenneth West ()

Journal of Applied Econometrics, 2010, vol. 25, issue 4, pages 574-594

Abstract: We propose two new procedures for comparing the mean squared prediction error (MSPE) of a benchmark model to the MSPEs of a small set of alternative models that nest the benchmark. Our procedures compare the benchmark to all the alternative models simultaneously rather than sequentially, and do not require re-estimation of models as part of a bootstrap procedure. Both procedures adjust MSPE differences in accordance with Clark and West (2007); one procedure then examines the maximum t-statistic, while the other computes a chi-squared statistic. Our simulations examine the proposed procedures and two existing procedures that do not adjust the MSPE differences: a chi-squared statistic and White's (2000) reality check. In these simulations, the two statistics that adjust MSPE differences have the most accurate size, and the procedure that looks at the maximum t-statistic has the best power. We illustrate our procedures by comparing forecasts of different models for US inflation. Copyright © 2010 John Wiley & Sons, Ltd.

Date: 2010
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Working Paper: Forecast evaluation of small nested model sets (2009) Downloads
Working Paper: Forecast Evaluation of Small Nested Model Sets (2008) Downloads
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