This study compares a differentiated Cournot duopoly with a two-product monopoly by using the socially optimal solution as a reference point. Each solution is allowed to be either an interior or a ...
In this paper, we show that, in markets with a continuum of traders and atoms, the set of Cournot-Walras equilibria and the set of Cournot equilibria may be disjoint. We show also that, when the ...