Oligopolies and Monopolies Flashcards
What is an oligopoly?
An oligopoly is a market where there are a small number of firms, but the firms are very large hence there is high concentration ratio (market concentration).
Give a characteristic of an oligopoly.
There is a high concentration ratio between businesses.
Describe a characteristic of an oligopoly.
High-barriers for entry.
Give a third characteristic of an oligopoly.
Firms use competitive or collusive strategies to gain advantages.
What is the n-firm concentration ratio in an oligopoly in the UK?
In UK, there is a five-firm concentration ratio exceeding 50% of total market share.
Give a form of high-barrier for entry in an oligopoly.
Capital costs (especially in capital intensive industries) is a major barrier for entering the market; this consists of costs required for purchasing capital technology.
Give another type of high-barrier to entry in an oligopoly.
Patents and copyrights: this is crucial for innovative firms with research and development to prevent copying of their original innovation.
What is collusive behaviour
Collusive behaviour involves a secret cooperation between firms, involving some sort of agreement made.
Give one type of collusion.
Tacit (informal collusion)
Give another type of collusion.
Overt (formal collusion)
Explain overt collusion.
Overt collusion is a form of formal collusion, involving an agreement to limit competition. This involves restricting output of goods through high profits and prices, not selling in certain area…
Give an example of overt collusion.
A cartel - This is a group of independent firms in the same market, hence an alliance of rivals. They often seek to strengthen profits and increase prices via manipulating output.
Explain tacit collusion.
This is an informal collusion where firms actively monitor each others behavior and establish an agreement without much coordination (there are unwritten rules).
Give an example of tacit collusion.
Price leadership - Whenever the price leader changes its prices, smaller firms follow and are influenced by this.
What is interdependence of firms?
Interdependance of firms consists of the actions of one business having a direct impact on other firms in the market. e.g. if one firm increases its sales, this can be at the expense of other firms.