Forecast Evaluation of Small Nested Model Sets

Kirstin Hubrich () and Kenneth D. West ()

No 14601, NBER Working Papers from National Bureau of Economic Research, Inc

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 reestimation 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, 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 most accurate size, and the procedure that looks at the maximum t-statistic has best power. We illustrate our procedures by comparing forecasts of different models for U.S. inflation.

JEL-codes: C32 C53 E37 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cba, nep-ecm, nep-for and nep-mac
Date: 2008-12
Note: AP ME TWP
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Working Paper: Forecast evaluation of small nested model sets (2009)
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