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Comparison of Tests for the Cointegrating Rank of a VAR Process with a Structural Shift

Helmut Luetkepohl, Pentti Saikkonen () and Carsten Trenkler ()
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Helmut Luetkepohl: Humboldt University Berlin

Authors registered in the RePEc Author Service: Helmut Lütkepohl ()

No 364, Econometric Society World Congress 2000 Contributed Papers from Econometric Society

Abstract: Two different types of tests for the cointegrating rank of VAR processes with a deterministic shift in the level have been proposed in the literature. The first proposal is based on the LR principle using a specific Gaussian model set-up. In the second proposal the time series are adjusted for deterministic terms first and then LR type tests are applied to the adjusted series. The local power of the two types of tests is derived and compared. Moreover, the small sample size and power properties of the tests are explored. It is found that the tests based on adjusted series generally have superior local power and size properties.

Date: 2000-08-01
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Journal Article: Comparison of tests for the cointegrating rank of a VAR process with a structural shift (2003) Downloads
Working Paper: Comparison of tests for the cointegrating rank of a VAR process with a structural shift (2000) Downloads
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