Notes, Comments and Preliminary results Research announcements Jan 27 2012 Sami Debbichi and Ahmde Ben khalifa   Market conduct and competition effect on termination rate: econometric analysis of theTtunisian case   Manuscript Available   Abstract  Contact Information  Citation  Full Announcement  -  Research Announcement   Oct 03 2011 debbichi sami   Estimation of market power and cost interconnection in mobile tunisia   Manuscript Available   Abstract  Contact Information  Citation  Full Announcement  -  Research Announcement   Oct 03 2011 debbichi sami   Independence of the regulator and performance of mobile phones in the arab countries: econometric application   Working Paper Available   Abstract  Contact Information  Citation  Full Announcement  -  Research Announcement   Conference announcements