Notes, Comments and Preliminary results Sep 09 2012 Mohamed E AROURI , Fredj JAWADI and Duc K NGUYEN   Nonlinear modeling of oil and stock price dynamics: segmentation or time-varying integration?   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Mar 25 2011 Mohamed el hédi Arouri and Fredj Jawadi   Do on/off time series models reproduce emerging stock market comovements?   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result