Oligopoly Flashcards
What is the definition of an oligopoly?
An oligopoly is a market where a few sellers dominate the market
What are the characteristics of an oligopoly?
High concentration ration, strongly differentiated products, downward sloping demand curve, price makers, high barriers to entry and exit,
interdependence around firms
What is
interdependence?
How firms change their decisions based on the actions around rivals
What is the F-rule?
5 fewer firms control at least 50% of the market
What is the Kinked demand curve?
Based on how firms in an oligopoly market perceive their own demand curve/ base on interdependence
What efficiency is achieved with oligopoly?
Dynamic: SNP used for efficiency
X-efficiency: Actual costs are lower than potential costs
What are the different theories of Oligopoly?
Kinked demand curve, game theory, collusion
What is game theory?
There is a dominant strategy that firms will take to maximise profits,
What is collusion?
Due to small number of firms there is a strong temptation to join together to restrict supply
What are the reasons for non-collusive behaviour?
Lots of firms, new market entry, saturated market, effective regulation, one firm having significant cost advantages
What can collusive behaviour lead to?
Increased prices, SNP, dynamic efficiency
What can non-collusive behaviour lead to?
investment , lower prices , and static efficiency
What is sticky pricing?
the tendency of prices to remain constant or to adjust slowly, despite changes in the cost of producing and selling the goods or services.
What is non-price competition?
a form of competition in which two or more producers use such factors as packaging, delivery, or customer service rather than price to increase demand for their products.
Why do firms focus on non-price competition?
Due to sticky pricing