Variable Selection in Predictive Regressions

Serena Ng ()

Chapter Chapter 14 in Handbook of Economic Forecasting, 2013, vol. 2, pp 752-789 from Elsevier

Abstract: This chapter reviews methods for selecting empirically relevant predictors from a set of N potentially relevant ones for the purpose of forecasting a scalar time series. First, criterion-based procedures in the conventional case when N is small relative to the sample size, T, are reviewed. Then the large N case is covered. Regularization and dimension reduction methods are then discussed. Irrespective of the model size, there is an unavoidable tension between prediction accuracy and consistent model determination. Simulations are used to compare selected methods from the perspective of relative risk in one period ahead forecasts.

Keywords: Principal components; Factor models; Regularization; Information criteria (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (38)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecofch:2-752

DOI: 10.1016/B978-0-444-62731-5.00014-2

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