Exact Nonparametric Tests of Orthogonality and Random Walk in the Presence of a Drift Parameter.
In this paper, finite-sample nonparametric tests of conditional independence and random walk are extended to allow for an unknown drift parameter. The tests proposed are based on simultaneous inference methods and remain exact in the presence of general forms of feedback, nonnormality and heterskedasticity. Further, in two simulation studies, the authors confirm that the nonparametric procedures are reliable and find that they display power comparable or superior to that of conventional tests. Copyright 1997 by Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.
Year of publication: |
1997
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Authors: | Campbell, Bryan ; Dufour, Jean-Marie |
Published in: |
International Economic Review. - Department of Economics. - Vol. 38.1997, 1, p. 151-73
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Publisher: |
Department of Economics |
Saved in:
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