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Testing for Explosive Bubbles in the Presence of Autocorrelated Innovations

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  • Thomas Quistgaard Pedersen

    () (Aarhus University and CREATES)

  • Erik Christian Montes Schütte

    () (Aarhus University and CREATES)

Abstract

We analyze an empirically important issue with the recursive right-tailed unit root tests for bubbles in asset prices. First, we show that serially correlated innovations, which is a feature that is present in most financial series used to test for bubbles, can lead to severe size distortions when using either fixed or automatic (based on information criteria) lag-length selection in the auxiliary regressions underlying the test. Second, we propose a sieve-bootstrap version of these tests and show that this results in more or less perfectly sized test statistics even in the presence of highly autocorrelated innovations. We also find that these improvements in size come at a relatively low cost for the power of the tests. Finally, we apply the bootstrap tests on the housing market of OECD countries, and generally find less strong evidence of bubbles compared to existing evidence.

Suggested Citation

  • Thomas Quistgaard Pedersen & Erik Christian Montes Schütte, 2017. "Testing for Explosive Bubbles in the Presence of Autocorrelated Innovations," CREATES Research Papers 2017-09, Department of Economics and Business Economics, Aarhus University.
  • Handle: RePEc:aah:create:2017-09
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    File URL: ftp://ftp.econ.au.dk/creates/rp/17/rp17_09.pdf
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    1. repec:eee:finsta:v:36:y:2018:i:c:p:66-81 is not listed on IDEAS

    More about this item

    Keywords

    Right-tailed unit root tests; GSADF; Size and power properties; Sieve bootstrap; International housing market;

    JEL classification:

    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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