If you need immediate assistance, call 877-SSRNHelp (877 777 6435) in the United States, or +1 212 448 2500 outside of the United States, 8:30AM to 6:00PM U.S. Eastern, Monday - Friday.
Olivier Brandouy
University of Angers - Groupe de Recherche en Économie Théorique et Appliquée (GREThA)