Duopoly quantity-setting firms face the market demand p = 150 − q1 − q2.
Each firm has a marginal cost of $60 per unit. What is the Nash- Cournot equilibrium? Hint: the profit functions of each firm are
π1(q1,q2) = (150 − q1 − q2)q1 − 60q1
π2(q1,q2) = (150 − q1 − q2)q2 − 60q2.
Please explain all steps.