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AQA A-Level Economics Year 2 > The Theory of the Firm > Flashcards

The Theory of the Firm Flashcards

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1
Q

Define normal profit

A

The situation where a firm makes sufficient revenue to cover its total costs and remain competitive within an industry

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2
Q

Define supernormal profit

A

Any profit above normal profit

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3
Q

Where is the point where productive efficiency occurs?

A

MC = AC

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4
Q

Define productive efficiency

A

Producing goods and services with the optimal combination of inputs to produce maximum output for the minimum cost

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5
Q

Where is the point of allocative efficiency?

A

MC = AR

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6
Q

Explain why the point MC = AR is allocatively efficient

A

As the value that consumers place on a good or service (reflected in the price they are willing and able to pay) equals the marginal cost of the scarce factor resources used up in production

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7
Q

When does allocative efficiency occur?

A

When there is an optimal distribution of goods and services, taking into account consumer’s preferences

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8
Q

Define consumer surplus

A

The difference between what consumers were willing to pay, and what they actually pay

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9
Q

Define producer surplus

A

The difference between what producers are willing and able to supply a good for and the price they actually receive

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10
Q

When does dynamic efficiency occur?

A

In the long-run

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11
Q

What is dynamic efficiency linked to?

A

The pace of innovation and investment, leads to the improvements in the performance and quality of the product

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12
Q

What is needed for dynamic efficiency to occur?

A

Supernormal profits

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13
Q

What is X-inefficiency?

A

Where a lack of effective/real competition in a market or industry means that average costs are higher than they would be with competition

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14
Q

Give 4 characteristics of a monopoly

A

25%+ of market share
Price makers
Profit maximising
Abnormal profits
High barriers to entry

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15
Q

Give 4 characteristics of a oligopoly

A

Few firms control majority of the market share
High barriers to entry and exit
Sticky or rigid prices
Firms are interdependent
Non-price competition
Some product differentiation

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16
Q

Give 4 characteristics of monopolistic competition

A

Large number of small buyers and sellers
Few and low barriers to entry
Good knowledge/information
Goods are non-homogenous / goods are slightly differentiated

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17
Q

Give 4 characteristics of perfect competition

A

Large number of small buyers and seller (theoretically infinite)
No barriers to entry
Perfect knowledge/information
Goods are homogenous
Price takers
No supernormal profits made in the long-run

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18
Q

Give 3 characteristics of a contestable market

A

No barriers to entry or exit
There are no sunk costs
Perfect information and access to all existing technologies
There is a POTENTIAL for competition

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19
Q

Explain why a firm in perfect competition cannot make abnormal profits in the long-run

A

Due to no barriers to entry, any abnormal profits will attract new entrants into the industry
This increases the market’s supply, reducing the price until all abnormal have been competed away

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20
Q

Explain why a firm in perfect competition will not make a loss in the long-run

A

Due to no barriers to entry, if firms are making a loss, some will choose to leave the market
This will decrease supply, pushing up price until no losses are being made

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21
Q

What profit is made in the long-run in perfect competition?

A

Normal profit

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22
Q

What efficiencies does a perfect competition firm operate at in the long-run?

A

Productively efficient
Allocatively efficient

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23
Q

Perfect competition will only result in allocative efficiency if…

A

… there are no externalities (positive or negative) in the market

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24
Q

What is the profit maximising point?

A

MR = MC

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25
What is the point of normal profit?
AR = AC
26
At what point will a monopoly operate at?
At the point of profit maximisation, where MR = MC
27
How could a monopoly be deemed as disadvantageous to the consumer?
Operating below the point of allocative efficiency thus there is a deadweight loss to society
28
How could a monopoly be deemed as advantageous to the consumer?
Make supernormal profit, so can be dynamically efficient This could be used for investment, innovation, research and development, which could reduce costs in the long-run This could then be passed onto the consumer in terms of lower prices
29
Give 3 determinants of monopoly power
High barriers to entry Low number of competitors Advertising and product differentiation
30
Give 2 types of barriers to entry
Legal barriers Absolute cost barriers Relative cost barriers
31
Give 2 types of legal barriers to entry
Licences Patents
32
Explain what is meant by absolute cost barriers
The large amount of capital required to set up a firm in some markets
33
Explain what is meant by relative cost barriers
AC of new firms is higher than AC of incumbent firms Incumbent firms enjoy economies of scale and the benefits of R + D
34
Explain how high barriers to entry is a cause of monopoly power
Decreases the number of potential competitors Means that one firm can dominate the market
35
When does a natural monopoly occur?
Occurs when the benefits of economies of scale in an industry are so large that it is uneconomic for more than one firm to supply in that industry
36
Explain how high relative cost barriers is a cause of monopoly power
AC of new firms would be higher than the incumbent monopoly because the monopoly has dynamic efficiency, economies of scale, R + D, etc Discourages new firms from entering the monopoly, reducing competition, causing/increasing the monopoly power
37
Explain what happens if a firm is making abnormal profit in a monopolistic competition market
Low barriers to entry allow new competitors to enter the market This has the effect of reducing the % of overall market share each individual firm enjoys, and make the demand for each product more PED elastic (due to an increased number of substitutes) This shifts the AR and MR curves downward, competing away abnormal profits away
38
For a firm is monopolistic competition, when can abnormal profits be made?
In the short-run
39
Give 2 reasons why firms in monopolistic competition are not forced to be productively or allocatively efficient
Differentiated products Lack of rigorous competition
40
Compare the PEDs for a monopoly and a firm in monopolistic competition
PED is more elastic for the firm in monopolistic competition
41
Compare the PEDs for a firm in perfect competition, and a firm in monopolistic competition
PED is more elastic for the firm in perfect competition
42
Explain how monopolistic competition can improve consumer choice of products
Low barriers to entry mean that there is intense competition between firms Provides an incentive to compete for market share and profit Leading to more choice of product for consumers
43
Explain why the increased product choice for consumers, as a result of monopolistic competition may not always be beneficial
Consumers have bounded rationality and may not make optimal decisions of there is a bewildering choice
44
Referring to MC and price, give a potential benefit of monopolistic competition
In monopolistic competition, prices are kept closer to marginal cost, leading to improved allocative efficiency
45
Explain why monopolistic competition may not be beneficial to the firms, in terms of productive efficiency
Although competition keeps prices low, the saturation of products may lead to firms not exploiting economies of scale This leads to a loss of productive efficiency
46
Why are firms in an oligopoly able to make long-run abnormal profit?
Due to high barriers to entry
47
Why are firms in an oligopoly likely to be dynamically efficient?
As they face stiff competition
48
How do firms in an oligopoly prefer to compete?
Using non-price competition
49
Give 2 examples of non-price competition
Advertising Marketing campaigns Loyalty programs
50
As firms in an oligopoly choose not to compete on price, what does this result in?
Sticky/Rigid prices
51
Why is there an incentive for firms in an oligopoly to collude and fix prices? (2 reasons)
It would maximise their joint profits It would increase their producer surplus
52
What law would it break if firms in an oligopoly decided to collude?
EU competition law
53
If firms in an oligopoly do collude, what market structure would they effectively be operating as?
A monopoly
54
What would the 2 main costs to consumers from firms in an oligopoly colluding?
Higher prices Lost consumer surplus
55
What is meant by a non-collusive oligopoly?
Where firms in the market act independently when setting prices
55
What is meant by a collusive oligopoly?
Where firms collude to fix prices or overall market supply
56
Why doesn’t it make sense for a firm in an oligopoly to raise its price?
If it raises its price, other firms will not follow, so you lose a lot of quantity demanded
57
Why doesn’t it make sense for a firm in an oligopoly to lower its price?
If it lowers its price, other firms will follow, so the quantity demanded wouldn’t massively increase
58
Is a competitive oligopoly good for consumers and/or firms?
Good for consumers Bad for firms
59
Is a collusive oligopoly good for consumers and/or firms?
Good for firms Bad for consumers
60
Why is the number of firms that exist in a contestable market irrelevant?
Due to the constant threat of new competition
61
Why are the costs facing a new firm similar to, if not the same as, an incumbent firm, in a contestable market?
Due to perfect information and access of/to all existing technologies
62
What profit will a firm in a contestable market make in the long-run?
Normal profit
63
Why does a firm in a contestable market operate at AC = AR in the long-run?
To deter the threat of “hit and run” entrants in to the market
64
How could governments use the theory associated with contestable markets when producing market-based solutions to market failures?
Increasing the contestability in a monopoly industry Such as by deregulation and/or privatisation This is principally done through reducing/removing barriers to entry and exit
65
Give 3 pros of making a market more contestable
More allocative efficiency More productive efficiency More x-efficiency Job creation
66
Give 2 cons of making a market more contestable
Lack of dynamic efficiency May lead to cost cutting in dangerous areas
67
Give 3 ways that technology has increased contestability
Has lowered barriers to entry and/or exit Has increased the pool of potential entrants Has improved the information available
68
Define price discrimination
The action of selling the same product at different prices to different buyers, in order to maximise sales and profits
69
Give 3 factors that firms may price discriminate because of
Age Gender Country Region Time of day
70
Give the four conditions that are necessary for price discrimination
Different markets must have different PEDs The firm must have price-making power The markets must be able to be separated by time, place etc and be kept separate so that no cross-selling can occur The cost of separating the markets must not be greater than the potential gain from price discriminating
71
What is meant by first degree price discrimination?
Where a firm with price making power charges each individual consumer the maximum price they are willing to pay, turning all consumer surplus to producer surplus
72
What is meant by third degree price discrimination?
Where the market is split in two according to their different elasticities of demand, different markets will then face different prices in order to maximise profits from the two markets
73
Why are MC and AC perfectly elastic for firms who have third degree price discrimination?
????????
74
Who first coined the term “creative destruction”?
Joseph Schumpeter
75
What did Schumpeter say that innovation enables entrepreneurs to do?
Enables entrepreneurs to compete with existing firms in an industry, eroding their profits and market share, and eventually becoming more powerful than them
76
Give a real life example of “creative destruction”
The music industry Cassettes overtook vinyl in the 80s Compact discs overtook cassettes in the 90s Electronic downloads overtook compact discs in the 00s
77
Define creative destruction
The process of how capitalism leads to a constantly changing structure of the economy Old firms and industries, which are no longer profitable and/or efficient, close down enabling resources to be moved into more productive processes
78
Give 2 benefits of creative destruction
The threat of going out of business is an incentive for firms to move with the changing market and keep costs low Although there are short-term job losses, new jobs are also created through economic change
79
Give 2 costs of creative destruction
Some jobs are lost when new market models are introduced, may lead to structural unemployment The firm or industry may provide external benefits which impact on social efficiency
80
Give an example of where a firm or industry provided external benefits, but was shut down / not invested in to allocate resources elsewhere
The rail industry in the 60s, resources were taken away from rail and put into road travel However, nowadays rail closures are now regretted as it can help reduce road congestion, pollution, etc

AQA A-Level Economics Year 2 (11 decks)

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