Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/56371
Authors: 
Strikholm, Birgit
Teräsvirta, Timo
Year of Publication: 
2005
Series/Report no.: 
SSE/EFI Working Paper Series in Economics and Finance 578
Abstract: 
In this paper we propose a method for determining the number of regimes in threshold autoregressive models using smooth transition autoregression as a tool. As the smooth transition model is just an approximation to the threshold autoregressive one, no asymptotic properties are claimed for the proposed method. Tests available for testing the adequacy of a smooth transition autoregressive model are applied sequentially to determine the number of regimes. A simulation study is performed in order to find out the finite-sample properties of the procedure and to compare it with two other procedures available in the literature. We find that our method works reasonably well for both single and multiple threshold models.
Subjects: 
Model specification
model selection criterion
nonlinear modelling
sequential testing
switching regression
JEL: 
C22
C51
Document Type: 
Working Paper

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