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Unit Roots and Cointegration in Panels

By Jorg Breitung and M. Hashem Pesaran


This paper provides a review of the literature on unit roots and cointegration in panels where the time dimension (T), and the cross section dimension (N) are relatively large. It distinguishes between the first generation tests developed on the assumption of the cross section independence, and the second generation tests that allow, in a variety of forms and degrees, the dependence that might prevail across the different units in the panel. In the analysis of cointegration the hypothesis testing and estimation problems are further complicated by the possibility of cross section cointegration which could arise if the unit roots in the different cross section units are due to common random walk components

Topics: Panel Cointegration, Cross Section Dependence, Common Effects, Classification-JEL: C12, C15, C22, C23, Panel Unit Roots
Publisher: Faculty of Economics
Year: 2006
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Provided by: Apollo

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