Testing linearity against smooth transition autoregressive models

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ID: 294871
1988
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Abstract
We study a general univariate smooth transition autoregressive, star, model. It contains as a special case the self-exciting threshold autoregressive, setar, model. We present three tests for testing linearity against star models and discuss their properties. The power of the tests in small samples is investigated by simulation when the alternative is the logistic star model. One of the tests is identical to Tsay's (1986) test statistic and is recommended only in a special case. Of the two remaining tests with wider applicability, one seems superior to the other in small samples. It is also more powerful than the cusum test recently proposed for testing linearity against setar models.
Reference Key
openalex_W1988789713 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ritva Luukkonen, Pentti Saikkonen, Timo Teräsvirta
Journal jurnal biometrika dan kependudukan
Year 1988
DOI
10.1093/biomet/75.3.491
URL
https://doi.org/10.1093/biomet/75.3.491
Keywords Keywords not found

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