Answer:
d. oligopoly
Step-by-step explanation:
An oligopoly is a market structure with very few suppliers that dominated a large market. The few firms sell a homogeneous or differentiated product. Due to their few numbers, each firm can set its price. Oligopolies are characterized by heavy advertising. The firm usually collaborates to attain maximum benefits from the markets. Other characteristics of an oligopoly.
- Barriers to entry: Other firms may find it hard to enter the market due to market domination by the existing firms and high start-up costs.
- Interdependence of firms
- Non- price competition
- A large number of consumers