An oligopoly is a market structure in which only a few sellers produce similar or identical products. Oligopolies are price-setters and can collude to behave like a monopolist.
Address the following questions:

What are the main features of an oligopolistic market?
How do oligopolies set their prices?
Explain how you can distinguish a firm in an oligopolistic market from one in a monopolistic competitive market. Provide examples to illustrate.