On the origin of high persistence in GARCH-models
We show that the (Baillie and Chung, 2001) minimum distance estimates of the GARCH (1,1) model induce spurious persistence in the volatility when there are structural changes in the mean of the process.
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- Prof. Dr. Walter Krämer & Baudouin Tameze Azamo, .
"Structural change and estimated persistence in the GARCH(1,1)-model,"
5, Business and Social Statistics Department, Technische Universität Dortmund, revised May 2006.
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- Krämer, Walter, 2006. "Long memory with Markov-Switching GARCH," Technical Reports 2006,35, Technische Universität Dortmund, Sonderforschungsbereich 475: Komplexitätsreduktion in multivariaten Datenstrukturen.
- Thomas Mikosch & Catalin Starica, 2004. "Non-stationarities in financial time series, the long range dependence and the IGARCH effects," Econometrics 0412005, EconWPA.
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0264, National Bureau of Economic Research, Inc.
- Hillebrand, Eric, 2005. "Neglecting parameter changes in GARCH models," Journal of Econometrics, Elsevier, vol. 129(1-2), pages 121-138.
- Cătălin Stărică & Clive Granger, 2005.
"Nonstationarities in Stock Returns,"
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MIT Press, vol. 87(3), pages 503-522, August.
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