Adaptive testing in arch models

Oliver Linton () and Douglas Steigerwald

Econometric Reviews, 2000, vol. 19, issue 2, 145-174

Abstract: Specification tests for conditional heteroskedasticity that are derived under the assumption that the density of the innovation is Gaussian may not be powerful in light of the recent empirical results that the density is not Gaussian. We obtain specification tests for conditional heteroskedasticity under the assumption that the innovation density is a member of a general family of densities. Our test statistics maximize asymptotic local power and weighted average power criteria for the general family of densities. We establish both first-order and second-order theory for our procedures. Simulations indicate that asymptotic power gains are achievable in finite samples.

Keywords: adaptive testing, ARCH, conditional heteroskedasticity; , semiparametric, (search for similar items in EconPapers)
Date: 2000
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Citations: View citations in EconPapers (7)

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Working Paper: Adaptive Testing in ARCH Models (1995)
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DOI: 10.1080/07474930008800466

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