Robust inference for threshold regression models

Javier Hidalgo, Jungyoon Lee and Myung Hwan Seo

LSE Research Online Documents on Economics from London School of Economics and Political Science, LSE Library

Abstract: This paper considers robust inference in threshold regression models when the practitioners do not know whether at the threshold point the true specification has a kink or a jump, nesting previous works that assume either continuity or discontinuity at the threshold. We find that the parameter values under the kink restriction are irregular points of the Hessian matrix, destroying the asymptotic normality and inducing the cube-root convergence rate for the threshold estimate. However, we are able to obtain the same asymptotic distribution as Hansen (2000) for the quasi-likelihood ratio statistic for the unknown threshold. We propose to construct confidence intervals for the threshold by bootstrap test inversion. Finite sample performances of the proposed procedures are examined through Monte Carlo simulations and an economic empirical application is given.

Keywords: Change point; Cube root; Grid bootstrap; Kink (search for similar items in EconPapers)
JEL-codes: C12 C13 C24 (search for similar items in EconPapers)
Pages: 19 pages
Date: 2019-06-01
New Economics Papers: this item is included in nep-ecm, nep-ets and nep-ore
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (19)

Published in Journal of Econometrics, 1, June, 2019, 210(2), pp. 291-309. ISSN: 0304-4076

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http://eprints.lse.ac.uk/100333/ Open access version. (application/pdf)

Related works:
Journal Article: Robust inference for threshold regression models (2019)
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Persistent link: https://EconPapers.repec.org/RePEc:ehl:lserod:100333

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