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This blog links to an updated revision presentation on the economics of contestable markets.
* For a contestable market to exist there must be low barriers to entry and exit so that new suppliers can come into a market to provide fresh competition.
* For a perfectly contestable market, entry into and exit out must be costless
* No market is perfectly contestable but virtually every market is contestable to some degree even when it appears that the monopoly position of a dominant seller is unassailable.
* This can have implications for the behaviour (conduct) of existing firms and then affects the performance of a market in terms of allocative, productive and dynamic efficiency.
* A contestable or competitive environment is common in most industries
Contestable markets are different from perfect competitive markets. For example, it is feasible in a contestable market for one firm to have price-setting power and for firms in a market to produce a differentiated product.
There are three main conditions for pure market contestability:
o Perfect information and the ability and/or the right of all suppliers to make use of the best available production technology in the market.
o The freedom to market / advertise and enter a market with a competing product.
o The absence of sunk costs – this reduces the risks of coming into a market.
Sunk costs – a barrier to contestability
Barriers to market contestability exist when there are sunk costs. These are costs that have been committed by a business cannot be recovered once a firm has entered the industry.
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Dates and Locations
AS & A2 Economics - Microeconomics: Markets & Market Failure (Unit 1), Business Economics (Unit 3)
- Monday 20 January 2014 - London (Stratford City)
- Tuesday 21 January 2014 - London (Fulham Broadway)
- Wednesday 22 January 2014 - Bristol (Cribbs Causeway)
- Thursday 23 January 2014 - Birmingham (Star City)
- Friday 24 January 2014 - Manchester (Salford Quays)
AS & A2 Economics - Macroeconomics: National & International Economy (Unit 2), Global/International Economy (Unit 4)
- Tuesday 25 March 2014 - London (Stratford City)
- Wednesday 26 March 2014 - London (Fulham Broadway)
- Thursday 27 March 2014 - Bristol (Cribbs Causeway)
- Friday 28 March 2014 - Birmingham (Star City)
- Tuesday 1 April 2014 - Gateshead (Metro Centre)
- Wednesday 2 April 2014 - Leeds (The Light)
- Thursday 3 April 2014 - Manchester (Salford Quays)
Post-Easter (AS Economics Units 1&2 Combined; Global/International Economy (Unit 4))
- Monday 28 April 2014 - London (Stratford City)
- Tuesday 29 April 2014 - London (Fulham Broadway)
- Wednesday 30 April 2014 - Bristol (Cribbs Causeway)
- Thursday 1 May 2014 - Birmingham (Star City)
- Friday 2 May 2014 - Manchester (Salford Quays)
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