Address:
University of Rabat,
National Institute of Statistics and Applied Economics,
PO Box 6217, Office 17, Rabat-Institutes,
10100, Rabat, Morocco.
E-mails: ahmeddoghmi@hotmail.com, doghmi@insea.ac.ma.
Phone : 00 212 6 17 25 11 98/ 00 212 6 63 81 33 42.