Combination of Forecast Methods Using Encompassing Tests. An Algorithm-Based Procedure; For the revised version of this paper, see Working Paper 240, Economics Series, June 2009, which includes some changes. The most important change regards the reference of Kisinbay (2007), which was not reported in the previous version. The hierarchical procedure proposed in the paper is based on the approach of Kisinbay (2007), but some modifications of that approach are provided

Mauro Costantini and Carmine Pappalardo
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Carmine Pappalardo: Institute for Studies and Economic Analysis (ISAE), Rome, Italy

No 228, Economics Series from Institute for Advanced Studies

Abstract: This paper proposes a strategy to increase the efficiency of forecast combining methods. Given the availability of a wide range of forecasting models for the same variable of interest, our goal is to apply combining methods to a restricted set of models. To this aim, an algorithm procedure based on a widely used encompassing test (Harvey, Leybourne, Newbold, 1998) is developed. First, forecasting models are ranked according to a measure of predictive accuracy (RMSFE) and, in a consecutive step, each prediction is chosen for combining only if it is not encompassed by the competing models. To assess the robustness of this procedure, an empirical application to Italian monthly industrial production using ISAE short-term forecasting models is provided.

Keywords: Combining forecasts; Econometric models; Evaluating forecasts; Models selection; Time series (search for similar items in EconPapers)
JEL-codes: C32 C53 (search for similar items in EconPapers)
Pages: 15 pages
Date: 2008-11
New Economics Papers: this item is included in nep-ecm, nep-ets and nep-for
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Citations: View citations in EconPapers (1)

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https://irihs.ihs.ac.at/id/eprint/1868 First version, 2008 (application/pdf)

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