On the predictive content of nonlinear transformations of lagged autoregression residuals and time series observations

Anja Rossen

No 157, HWWI Research Papers from Hamburg Institute of International Economics (HWWI)

Abstract: Although many macroeconomic time series are assumed to follow nonlinear processes, nonlinear models often do not provide better predictions than their linear counterparts. Furthermore, such models easily become very complex and difficult to estimate. The aim of this study is to investigate whether simple nonlinear extensions of autoregressive processes are able to provide more accurate forecasting results than linear models. Therefore, simple autoregressive processes are extended by means of nonlinear transformations (quadratic, cubic, trigonometric, exponential functions) of lagged time series observations and autoregression residuals. The proposed forecasting models are applied to a large set of macroeconomic and financial time series for 10 European countries. Findings suggest that such models, including nonlinear transformation of lagged autoregression residuals, are somewhat able to provide better forecasting results than simple linear models. Thus, it may be possibile to improve the forecasting accuracy of linear models by including nonlinear components.

Keywords: nonlinear models; forecasting; transformations (search for similar items in EconPapers)
JEL-codes: C22 C51 C53 (search for similar items in EconPapers)
Date: 2014
New Economics Papers: this item is included in nep-ets and nep-for
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https://www.econstor.eu/bitstream/10419/104795/1/807002909.pdf (application/pdf)

Related works:
Journal Article: On the Predictive Content of Nonlinear Transformations of Lagged Autoregression Residuals and Time Series Observations (2016)
Journal Article: On the Predictive Content of Nonlinear Transformations of Lagged Autoregression Residuals and Time Series Observations (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:hwwirp:157

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