Volatility tests and efficient markets : A review essay  [size=0.92em]Original Research Article
Journal of Monetary Economics, Volume 27, Issue 3, June 1991, Pages 463-485
John H. Cochrane

A critique of the application of unit root tests  [size=0.92em]Original Research Article
Journal of Economic Dynamics and Control, Volume 15, Issue 2, April 1991, Pages 275-284
John H. Cochrane


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