Notes, Comments and Preliminary results Jul 26 2008 Steve Cook   Non-linear unit root testing in the presence of heavy-tailed innovation processes   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Dec 07 2005 Steven Cook   Threshold autoregressive testing procedures and structural change in cointegrating relationships   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Jul 11 2004 Steven Cook   Detecting changes in persistence in linear time series   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 16 2004 Steven Cook   On the finite-sample power of modified Dickey-Fuller tests: The role of the initial condition   Abstract  Contact Information  Citation  Full Text  -  Note   Jun 13 2003 Steve Cook   The properties of asymmetric unit root tests in the presence of mis-specified asymmetry   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   May 17 2002 Steven Cook and Neil Manning   Unusual behaviour of Dickey-Fuller tests in the presence of trend mis-specification   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Jul 17 2001 Steven Cook   Asymmetric unit root tests in the presence of structural breaks under the null   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result