Notes, Comments and Preliminary results Research announcements Sep 29 2004 HAYKEL HADJ SALEM   Various methods of balancing of the macro SAM of Tunisia during the year 2000   Manuscript Available   Abstract  Contact Information  Citation  Full Announcement  -  Research Announcement   Sep 29 2004 haykel Hadj Salem   The estimation of the elasticity of substitution of a CES production function : Case of Tunisia   Manuscript Available   Abstract  Contact Information  Citation  Full Announcement  -  Research Announcement   Conference announcements