D'Aspremont, C.; Dos Santos Ferreira, R.; Gerard-Varet, L.A. - Groupement de Recherche en Économie Quantitative … - 1996
This note illustrates the fact that the number of active firms in free entry equilibrium may be largely indeterminate and different levels of positive profits may in many cases be sustained. This is shown to be true, in spite of market contestability, either under Cournot competition or under...