Testing for a unit root in a random coefficient panel data model |
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Authors: | Joakim Westerlund Rolf Larsson |
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Affiliation: | a Deakin University, Australiab Uppsala University, Sweden |
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Abstract: | This paper proposes new unit root tests in the context of a random autoregressive coefficient panel data model, in which the null of a unit root corresponds to the joint restriction that the autoregressive coefficient has unit mean and zero variance. The asymptotic distributions of the test statistics are derived and simulation results are provided to suggest that they perform very well in small samples. |
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Keywords: | C13 C33 |
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