Question 4
This is about a dominated oligopolistic market. Consider a dominant firm D with large market share and three fringe firms F with small market share. Dominant firm D is the price setter and three fringe firms F are price followers in the market. Market demand is Q(P)=10,000-P and the supply of three fringe firms is Q(P)=P-6,000.
【題組】
(a) Find the demand of dominant firm Dd= _______