The Importance of the Macroeconomic Variables in Forecasting Stock Return Variance: A GARCH‐MIDAS Approach

Journal of Forecasting - Tập 32 Số 7 - Trang 600-612 - 2013
Hossein Asgharian1, Ai Jun Hou2, Farrukh Javed3
1Department of Economics Lund University and Knut Wicksell Center for Financial Studies Box 7082 S‐22007 Lund Sweden
2Department of Business and Economics; Southern Denmark University; Odense Denmark
3Department of Statistics, Lund University, Sweden

Tóm tắt

ABSTRACTThis paper applies the GARCH‐MIDAS (mixed data sampling) model to examine whether information contained in macroeconomic variables can help to predict short‐term and long‐term components of the return variance. A principal component analysis is used to incorporate the information contained in different variables. Our results show that including low‐frequency macroeconomic information in the GARCH‐MIDAS model improves the prediction ability of the model, particularly for the long‐term variance component. Moreover, the GARCH‐MIDAS model augmented with the first principal component outperforms all other specifications, indicating that the constructed principal component can be considered as a good proxy of the business cycle. Copyright © 2013 John Wiley & Sons, Ltd.

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