Anders Bredahl Kock

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

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In this work we consider forecasting macroeconomic variables during an economic crisis. The focus is on a speci…c class of models, the so-called single hidden-layer feedforward autoregressive neural network 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…cation and nonlinear 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 looking 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 series 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.
UdgiverInstitut for Økonomi, Aarhus Universitet
Antal sider43
StatusUdgivet - 2011


  • Autometrics, economic forecasting, Marginal Bridge estimator, neural network, nonlinear time series model, Wilcoxon’s signed-rank test

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