Structural break inference using information criteria in models estimated by two-stage least squares

Alastair R. Hall, Denise R. Osborn, Nikolaos Sakkas

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This paper makes two contributions in relation to the use of information criteria for inference on structural breaks when the coefficients of a linear model with endogenous regressors may experience multiple changes. Firstly, we show that suitably defined information criteria yield consistent estimators of the number of breaks, when employed in the second stage of a two-stage least squares (2SLS) procedure with breaks in the reduced form taken into account in the first
stage. Secondly, a Monte Carlo analysis investigates the finite sample performance of a range of criteria based on BIC, HQIC and AIC for equations estimated by 2SLS. Versions of the consistent criteria BIC and HQIC perform well overall when the penalty term weights estimation of each break point more heavily than estimation of each coefficient, while AIC is inconsistent and badly
over-estimates the number of true breaks.
Original languageEnglish
Pages (from-to)741-762
Number of pages22
JournalJournal of Time Series Analysis
Volume36
Issue number5
Early online date22 Jan 2015
DOIs
Publication statusPublished - 1 Sep 2015

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