Long, Ngo Van; Soubeyran, Antoine - Centre Interuniversitaire de Recherche en Analyse des … - 1999
We provide sufficient conditions for existence and uniqueness of a Cournot equilibrium. The contraction mapping approach is used. Equilibrium is characterized in terms of marginal costs. The result is useful for applications to two-stage games, where, in the first stage, firms incur costs to...