Forecasting performance of three automated modelling techniques during the economic crisis 2007-2009

Anders Kock and Timo Teräsvirta

CREATES Research Papers from Department of Economics and Business Economics, Aarhus University

Abstract: In this work we consider forecasting macroeconomic variables dur- ing an economic crisis. The focus is on a specific class of models, the so-called single hidden-layer feedforward autoregressive neural net- work models. What makes these models interesting in the present context is that they form a class of universal approximators and may be expected to work well during exceptional periods such as major economic crises. These models are often difficult to estimate, and we follow the idea of White (2006) to transform the speci?fication and non- linear estimation problem into a linear model selection and estimation problem. To this end we employ three automatic modelling devices. One of them is White's QuickNet, but we also consider Autometrics, well known to time series econometricians, and the Marginal Bridge Estimator, better known to statisticians and microeconometricians. The performance of these three model selectors is compared by look- ing at the accuracy of the forecasts of the estimated neural network models. We apply the neural network model and the three modelling techniques to monthly industrial production and unemployment se- ries of the G7 countries and the four Scandinavian ones, and focus on forecasting during the economic crisis 2007-2009. Forecast accuracy is measured by the root mean square forecast error. Hypothesis testing is also used to compare the performance of the different techniques with each other.

Keywords: Autometrics; economic forecasting; Marginal Bridge estimator; neural network; nonlinear time series model; Wilcoxon's signed-rank test (search for similar items in EconPapers)
JEL-codes: C22 C45 C52 C53 (search for similar items in EconPapers)
Pages: 45
Date: 2011-08-26
New Economics Papers: this item is included in nep-cba, nep-cmp, nep-ecm, nep-ets and nep-for
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Related works:
Journal Article: Forecasting performances of three automated modelling techniques during the economic crisis 2007–2009 (2014)
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Persistent link: https://EconPapers.repec.org/RePEc:aah:create:2011-28

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