monoploy
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TRANSCRIPT
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AND
PRESENTED BY-
POOJA NIGAMSAIMA ABBASSANA REHMANSHEIKH ARIBA ZAFARTABASSUMZEBA
MANAGERIAL
ECONOMICS
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Monopoly
• Origins of monopoly:– Through growth of the firm
– Through amalgamation, merger or takeover
– Through acquiring patent or license– Through legal means – Royal charter,
nationalisation, wholly owned plc
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DEFINITION OF MONOPOLY
1) According to PROF. CHAMBERLAIN,” Monopoly refers to the control over supply.”
2) According to PROF.ROBERT TRIFFIN ,”Monopoly is a market situation in which the firm is independent of price changes in the product of each and every other firm.”
PROF. CHAMBERLAIN
PROF.ROBERT TRIFFIN
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EXISTENCE OF MONOPOLY
•True monopolies generally existing government controlled markets. . EXAMPLE- INDIAN RAILWAY
•Monopoly in private businessisrare.
•Private firms who have considerable marketshare. . EXAMPLE- MICROSOFT,INTEL,GOOGLE.
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Monopoly power
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MonopolyCosts / Revenue
Output / Sales
AC
MC
ARMR
AR (D) curve for a monopolist likely to be relatively price inelastic. Output assumed to be at profit maximising output (note caution here – not all monopolists may aim for profit maximisation!)
Q1
£7.00
£3.00
Monopoly Profit
Given the barriers to entry, the monopolist will be able to exploit abnormal profits in the long run as entry to the market is restricted.
This is both the short run and long run equilibrium position for a monopoly
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MonopolyCosts / Revenue
Output / Sales
AC
MC
ARMR
Welfare implications of monopolies
A look back at the diagram for perfect competition will reveal that in equilibrium, price will be equal to the MC of production.
We can look therefore at a comparison of the differences between price and output in a competitive situation compared to a monopoly.
Q1
£3
The price in a competitive market would be £3 with output levels at Q1.
Q2
£7 The monopoly price would be £7 per unit with output levels lower at Q2.
On the face of it, consumers face higher prices and less choice in monopoly conditions compared to more competitive environments.
Loss of consumersurplus
The higher price and lower output means that consumer surplus is reduced, indicated by the grey shaded area.
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MonopolyCosts / Revenue
Output / Sales
AC
MC
ARMR
Welfare implications of monopolies
Q1
£3
Q2
£7The monopolist will be affected by a loss of producer surplus shown by the grey triangle but……..
The monopolist will benefit from additional producer surplus equal to the grey shaded rectangle.
Gain in producer surplus
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TYPES OF MONOPOLY
• Monopoly:• Pure monopoly – industry is the firm!• Actual monopoly – where firm has >25%
market share.• Natural Monopoly – high fixed costs – gas,
electricity, water, telecommunications, rail.
TELECOMMUNICATION
RAIL
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Advantages: 1) May be appropriate if natural monopoly Encourages R&D.
2) Encourages innovation.
3) Development of some products not likely without some guarantee of monopoly in production.
4) Economies of scale can be gained – consumer may benefit.
ADVANTAGES OF MONOPOLY
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• Disadvantages:– Exploitation of consumer – higher prices.
– Potential for supply to be limited - less choice.
– Potential for inefficiency –
X-inefficiency – complacency over controls on costs.
DISADVANTAGES OF MONOPOLY
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Movie ticket
DISCOUNT COUPON
QUANTITY DISCOUNT
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AUTOMOBILE
STEEL
PETROCHEMICAL
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