Coloma, Germán - In: Estudios de Economía 37 (2010) 2, pp. 189-205
This paper is about a model of Bertrand competition in a homogeneous-good market with free entry of identical firms and … is equal to that optimum number, then Bertrand equilibrium exists for that optimum number, and it does not exist if the … number of active firms is less than the optimum. The model, however, does not rule out the existence of Bertrand equilibria …