Testing for seasonal unit roots in heterogeneous panels

Abstract

This paper uses the approach of Im, Pesaran and Shin (2003) to propose seasonal unit root tests for dynamic heterogeneous panels based on the means of the individuals HEGY test statistics. The standardised t-bar and F-bar statistics are simply averages of the HEGY tests across groups. These statistics converge to standard normal variates

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Last time updated on 01/12/2017

This paper was published in Warwick Research Archives Portal Repository.

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