Q1 100 Firm 2's Reaction 75 Curve Q2(Q1) 50名 Cournot Equilibrium 25 Firm 1's Reaction XS 12.5 Curve Qi(Q2) 25 50 75 100 Q2 Reaction Curves and Cournot EquilibriumReaction Curves and Cournot Equilibrium XS