Nonlinear Modelling of Autoregressive Structural Breaks in a US Diffusion Index Dataset

George Kapetanios and Elias Tzavalis

No 537, Working Papers from Queen Mary University of London, School of Economics and Finance

Abstract: This paper applies a new model of structural breaks developed by Kapetanios and Tzavalis (2004) to investigate if there exist structural changes in the mean reversion parameter of US macroeconomic series. Ignoring such type of breaks may lead to spurious evidence of unit roots in the autoregressive parameters of economic series. Our model specifies that both the timing and size of breaks are stochastic. We apply the model to a variety of macroeconomic and finance series from the US

Keywords: Structural breaks; State space model; Nonlinearity (search for similar items in EconPapers)
JEL-codes: C13 C22 E32 (search for similar items in EconPapers)
Date: 2005-05-01
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:qmw:qmwecw:537

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