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NEARLY OPTIMAL TEST FOR LONG-RUN PREDICTABILITY WITH NEARLY INTEGRATED REGRESSORS

Published online by Cambridge University Press:  27 April 2020

Natalia Sizova*
Affiliation:
Microsoft
*
Address correspondence to Natalia Sizova, Microsoft, Bellevue, WA 98005, USA; e-mail: Natalia.Sizova@microsoft.com.
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Abstract

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We develop a method for long-run predictability testing in series Y by a persistent series X. We consider a class of tests based on the long-run behavior of these series that are robust to short-run dynamics and attempt to attain the highest possible power. The test is based on the Whittle approximation to the likelihood ratio that is adjusted to remain accurate across a range of persistence in X. We verify the properties of this test in small simulations and compare this test against a group of recently proposed methods.

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Type
ARTICLES
Copyright
© Cambridge University Press 2020