First Author:   Théophile Azomahou BETA, Université Louis Pasteur, Strasbourg 1 azomahou@cournot.u-strasbg.fr   61, avenue de la Forêt Noire Strasbourg, F-67085, France   +33 390 242 222(Phone) +33 390 242 222(Fax) Second Author: Dong Li Department of Economics, Kansas State University dongli@ksu.edu