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Is the Outcome of the Federal Budget Process Unbaised and Efficient? a NonParametric Assessment.
Campbell, B., (1992)
Excat Nonparametric Tests of Orthogonality and Random Walk in the Presence of a Drift Parameter.
Campbell, B., (1994)
Over-Rejections in Rational Expectations Models: a Nonparametric Approach to the Mankiw-Shapiro Problem.
Campbell, B., (1991)