English, Article, Journal or magazine article edition: Estimation of TAR Models Bruce E. Hansen

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Bookmark: http://trove.nla.gov.au/version/73038
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  • preprint
Language
  • English

Edition details

Title
  • Estimation of TAR Models
Author
  • Bruce E. Hansen
Physical Description
  • preprint
Notes
  • A distribution theory is developed for least squares estimates of the threshold in threshold autoregressive (TAR) models. We find that if we let the threshold effect (the difference in slopes between the two regimes) get small as the sample size increases, then the asymptotic distribution of the threshold estimator is free of nuisance parameters (up to scale). Similarly, the likelihood ratio statistic for testing hypotheses concerning the unknown threshold is asymptotically free of nuisance parameters. These asymptotic distributions are non-standard, but are available in closed form so critical values are readily available. To illustrate this theory, we report applications of these methods to TAR models fit to the U.S. unemployment rate and to the U.S. 3-month Treasury Bill rate. We find statistically significant threshold effects.
  • TAR, threshold autoregression, Markov switching
  • RePEc:boc:bocoec:325
Language
  • English
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