題組內容

6. (15 points) Suppose the market demand is p = 10 - Q, and firms incurs a fixed cost of $5 and no marginal cost. Assume that Firm A is the incumbent firm in this market, and there is a potential entrant Firm B, in which, their quantities are denoted as qa and qB, respectively.

(1) What are the corresponding Stackelberg leader-follower equilibrium output level and profits for two firms?