What is collusion in oligopoly?
Andrew Ramirez
Published Feb 21, 2026
Collusion occurs when oligopoly firms make joint decisions, and act as if they were a single firm. Collusion requires an agreement, either explicit or implicit, between cooperating firms to restrict output and achieve the monopoly price.
Which of the following best describes an oligopoly?
An oligopoly is one of the four market structures that all firms fit into, along with perfect competition, monopoly, and monopolistic competition. The level of competition in an oligopoly lies between a monopoly and perfect competition.
Which of the following is an example of an oligopoly?
Examples of oligopoly abound and include the auto industry, cable television, and commercial air travel. Oligopolistic firms are like cats in a bag. They can either scratch each other to pieces or cuddle up and get comfortable with one another.
Which of the following is an example of collusion?
Examples of collusion. After a period of low milk, butter and cheese prices, supermarkets such as Asda and Sainsbury’s colluded with Dairy suppliers, Dairy Crest and Wiseman Dairies to increase the price of milk, cheese and other dairy products in supermarkets.
Is an oligopoly illegal?
At an extreme, the colluding firms can act as a monopoly. Oligopolists pursuing their individual self-interest would produce a greater quantity than a monopolist, and charge a lower price. Collusive arrangements are generally illegal.
What is oligopoly cartel?
In economics, an oligopoly is a market structure where the industry is dominated by a small number of sellers (oligopolists). A cartel is a special case of oligopoly when competing firms in an industry collude to create explicit, formal agreements to fix prices and production quantities.
What do you mean by oligopoly?
An oligopoly is a market characterized by a small number of firms who realize they are interdependent in their pricing and output policies. The number of firms is small enough to give each firm some market power.
How do you identify an oligopoly?
Oligopolies may be identified using concentration ratios, which measure the proportion of total market share controlled by a given number of firms. When there is a high concentration ratio in an industry, economists tend to identify the industry as an oligopoly.
Is Burger King an oligopoly?
One example of an oligopolistic market that exists today is the fast food industry. Fast food restaurants such as Burger King, McDonalds, and Wendy’s all sell a similar product and use product differentiation to attract business to their chains. Yet another example of an oligopoly is the beer industry in America.
What is oligopoly in simple words?