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Monopolies & Market Structure
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Market Structure Market structure – identifies how a market is
made up in terms of: The number of firms in the industry The nature of the product produced The degree of power each firm has The degree to which the firm can influence price Profit levels Firms’ behaviour – pricing strategies, non-price
competition, output levels The extent of barriers to entry The impact on efficiency
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Market Structure
More competitive (fewer imperfections)
Perfect Competition
Pure Monopoly
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Market Structure
Less competitive (greater degree of imperfection)
Perfect Competition
Pure Monopoly
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Market Structure
Perfect Competition
Pure Monopoly
Monopolistic Competition Oligopoly Duopoly Monopoly
The further right on the scale, the greater the degree of monopoly power exercised by the firm.
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Market Structure
Importance: Degree of competition affects the
consumer – will it benefit the consumer or not?
Impacts on the performance and behaviour of the company/companies involved
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Market Structure Models – a word of warning!
Market structure deals with a number of economic ‘models’
These models are a representation of reality to help us to understand what may be happening in real life
There are extremes to the model that are unlikely to occur in reality
They still have value as they enable us to draw comparisons and contrasts with what is observed in reality
Models help therefore in analysing and evaluating – they offer a benchmark
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Market Structure Characteristics of each model:
Number and size of firms that make up the industry
Control over price or output Freedom of entry and exit from the industry Nature of the product – degree of
homogeneity (similarity) of the products in the industry (extent to which products can be regarded as substitutes for each other)
Diagrammatic representation – the shape of the demand curve, etc.
So now can you predict a
monopoly’s characteristics
One – exceeds
25% market sharePrice maker
Difficult
Price inelasticFew substitutes
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Monopoly….
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Pure Monopoly assumptions
Single seller of good/service
No substitutes for the good
There are barriers to entry into the market
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Monopoly
Pure monopoly – where only one producer exists in the industry. In reality, rarely exists – always some form of substitute available!
Monopoly exists therefore where one firm dominates the market
Firms may be investigated for examples of monopoly power when market share exceeds 25%
Use term ‘monopoly power’ with care!
Need to know this
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Can you remember the industry’s on a monopoly board?
Trains Water Electricity Taxman Bank Jail Car Parking
Which of these industries do you think are MONOPOLIES?
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Monopoly power
Monopoly power – refers to cases where firms influence the market in some way through their behaviour – determined by the degree of concentration in the industry Influencing prices Influencing output Erecting barriers to entry Pricing strategies to prevent or stifle
competition May not pursue profit maximisation –
encourages unwanted entrants to the market Sometimes seen as a case of market failure
Need to know this
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Monopoly Origins of monopoly:
Natural monopoly – usually on a network or grid… wasteful to duplicate!
Geographical factors – where a country or climate is the only source of supply of a raw material…quite rare. However, consider a single grocery store in a isolated village…
Government created monopolies – now sold off! Through growth of the firm Through amalgamation, merger or takeover Through acquiring patent or license Through legal means – Royal charter,
nationalisation, wholly owned plc
Vital revision
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Identify the source of ‘monopoly’ power.
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Identify the source of ‘monopoly’ power.
Natural
Geographical
Govt created
Co growth – EoS mergers etc
Patent / licence
Other
London Underground
O2 – iphone
BAA
Royal Mail
Microsoft
Bank of England
i-phone i-tunes
De beers diamonds
Motorway service station
Thames Water
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Identify the source of ‘monopoly’ power.
Natural
Geographical
Govt created
Co growth – EoS or mergers etc
Patent / licence
Other
London Underground O2 – iphone BAA Royal Mail Microsoft Bank of England i-phone i-tunes
De beers diamonds Motorway service station
Thames Water
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A natural monopoly?
Why does it make no sense to have a 2nd channel tunnel?
Despite being a natural monopoly, what competition does the firm face?
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Label one side
HIGH
The other
LOW
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Monopoly characteristics
Price
Efficiency
Innovation
Collusion
Promotion
Would you predict
these to be HIGH or LOW?
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Monopoly characteristics Price – could be deemed too high, may be set to
destroy competition (destroyer or predatory pricing), price discrimination possible.
Efficiency – could be inefficient due to lack of competition (X- inefficiency) or…
could be higher due to availability of high profits
Innovation - could be high because of the promise of high profits, Possibly encourages high investment in research and development (R&D). Could be low as there is no incentive to reduce costs.
Collusion – possible to maintain monopoly power of key firms in industry
High levels of branding, advertising and non-price competition
Diagrams next lesson
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Homework Create a mindmap / poster / revision notes
to help you remember the key causes of a monopoly.
This must include: Natural monopoly Geographical Economies of scale / growth Govt created Company merger/takeovers Patent / licence
Need to include written
explanation & business examples
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BAA break up of monopoly
Further reading