Mar 12 2012 Ahamada Ibrahim and Boutahar Mohamed   Power of the KPSS test against shift in variance: a further investigation.   Abstract  Contact Information  Citation  Full Text  -  Note   Apr 02 2011 Fernanda G Barba and Paulo S Ceretta   Risk transmission between Latin America stock markets and the US: impacts of the 2007/2008 Crisis   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Mar 06 2008 Duc NGUYEN   An empirical analysis of structural changes in emerging market volatility   Abstract  Contact Information  Citation  Full Text  -  Note   Feb 19 2004 AHAMADA IBRAHIM   A complementary test for the KPSS test with an application to the US Dollar/Euro exchange rate   Abstract  Contact Information  Citation  Full Text  -  Note   Dec 12 2003 AHAMADA IBRAHIM   Non stationarity characteristics of the S\&P500 returns:An approach based on the evolutionary spectral density.   Abstract  Contact Information  Citation  Full Text  -  Note