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

The Theory of the Firm Flashcards

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

What is the point of productive efficiency?

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

What 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
Q

What is the point of normal profit?

A

AR = AC

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26
Q

At what point will a monopoly operate at?

A

At the point of profit maximisation, where MR = MC

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27
Q

How could a monopoly be deemed as disadvantageous to the consumer?

A

Operating below the point of allocative efficiency
thus there is a deadweight loss to society

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28
Q

How could a monopoly be deemed as advantageous to the consumer?

A

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
T`his could then be passed onto the consumer in terms of lower prices

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29
Q

Give 3 determinants of monopoly power

A

High barriers to entry
Low number of competitors
Advertising and product differentiation

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30
Q

Give 2 types of barriers to entry

A

Legal barriers
Absolute cost barriers
Relative cost barriers

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31
Q

Give 2 types of legal barriers to entry

A

Licences
Patents

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32
Q

Explain what is meant by absolute cost barriers

A

The large amount of capital required to set up a firm in some markets

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33
Q

Explain what is meant by relative cost barriers

A

AC of new firms is higher than AC of incumbent firms
Incumbent firms enjoy economies of scale and the benefits of R + D

34
Q

Explain how high barriers to entry is a cause of monopoly power

A

Decreases the number of potential competitors
Means that one firm can dominate the market

35
Q

When does a natural monopoly occur?

A

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
Q

Explain how high relative cost barriers is a cause of monopoly power

A

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
Q

Explain what happens if a firm is making abnormal profit in a monopolistic competition market

A

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
Q

For a firm is monopolistic competition, when can abnormal profits be made?

A

In the short-run

39
Q

Give 2 reasons why firms in monopolistic competition are not forced to be productively or allocatively efficient

A

Differentiated products
Lack of rigorous competition

40
Q

Compare the PEDs for a monopoly and a firm in monopolistic competition

A

PED is more elastic for the firm in monopolistic competition

41
Q

Compare the PEDs for a firm in perfect competition, and a firm in monopolistic competition

A

PED is more elastic for the firm in perfect competition

42
Q

Explain how monopolistic competition can improve consumer choice of products

A

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
Q

Explain why the increased product choice for consumers, as a result of monopolistic competition may not always be beneficial

A

Consumers have bounded rationality and may not make optimal decisions of there is a bewildering choice

44
Q

Referring to MC and price, give a potential benefit of monopolistic competition

A

In monopolistic competition, prices are kept closer to marginal cost, leading to improved allocative efficiency

45
Q

Explain why monopolistic competition may not be beneficial to the firms, in terms of productive efficiency

A

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
Q

Why are firms in an oligopoly able to make long-run abnormal profit?

A

Due to high barriers to entry

47
Q

Why are firms in an oligopoly likely to be dynamically efficient?

A

As they face stiff competition

48
Q

How do firms in an oligopoly prefer to compete?

A

Using non-price competition

49
Q

Give 2 examples of non-price competition

A

Advertising
Marketing campaigns
Loyalty programs

50
Q

As firms in an oligopoly choose not to compete on price, what does this result in?

A

Sticky/Rigid prices

51
Q

Why is there an incentive for firms in an oligopoly to collude and fix prices? (2 reasons)

A

It would maximise their joint profits
It would increase their producer surplus

52
Q

What law would it break if firms in an oligopoly decided to collude?

A

EU competition law

53
Q

If firms in an oligopoly do collude, what market structure would they effectively be operating as?

A

A monopoly

54
Q

What would the 2 main costs to consumers from firms in an oligopoly colluding?

A

Higher prices
Lost consumer surplus

55
Q

What is meant by a non-collusive oligopoly?

A

Where firms in the market act independently when setting prices

55
Q

What is meant by a collusive oligopoly?

A

Where firms collude to fix prices or overall market supply

56
Q

Why doesn’t it make sense for a firm in an oligopoly to raise its price?

A

If it raises its price, other firms will not follow, so you lose a lot of quantity demanded

57
Q

Why doesn’t it make sense for a firm in an oligopoly to lower its price?

A

If it lowers its price, other firms will follow, so the quantity demanded wouldn’t massively increase

58
Q

Is a competitive oligopoly good for consumers and/or firms?

A

Good for consumers
Bad for firms

59
Q

Is a collusive oligopoly good for consumers and/or firms?

A

Good for firms
Bad for consumers

60
Q

Why is the number of firms that exist in a contestable market irrelevant?

A

Due to the constant threat of new competition

61
Q

Why are the costs facing a new firm similar to, if not the same as, an incumbent firm, in a contestable market?

A

Due to perfect information and access of/to all existing technologies

62
Q

What profit will a firm in a contestable market make in the long-run?

A

Normal profit

63
Q

Why does a firm in a contestable market operate at AC = AR in the long-run?

A

To deter the threat of “hit and run” entrants in to the market

64
Q

How could governments use the theory associated with contestable markets when producing market-based solutions to market failures?

A

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
Q

Give 3 pros of making a market more contestable

A

More allocative efficiency
More productive efficiency
More x-efficiency
Job creation

66
Q

Give 2 cons of making a market more contestable

A

Lack of dynamic efficiency
May lead to cost cutting in dangerous areas

67
Q

Give 3 ways that technology has increased contestability

A

Has lowered barriers to entry and/or exit
Has increased the pool of potential entrants
Has improved the information available

68
Q

Define price discrimination

A

The action of selling the same product at different prices to different buyers, in order to maximise sales and profits

69
Q

Give 3 factors that firms may price discriminate because of

A

Age
Gender
Country
Region
Time of day

70
Q

Give the four conditions that are necessary for price discrimination

A

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
Q

What is meant by first degree price discrimination?

A

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
Q

What is meant by third degree price discrimination?

A

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
Q

Why are MC and AC perfectly elastic for firms who have third degree price discrimination?

A

????????

74
Q

Who first coined the term “creative destruction”?

A

Joseph Schumpeter

75
Q

What did Schumpeter say that innovation enables entrepreneurs to do?

A

Enables entrepreneurs to compete with existing firms in an industry, eroding their profits and market share, and eventually becoming more powerful than them

76
Q

Give a real life example of “creative destruction”

A

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
Q

Define creative destruction

A

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
Q

Give 2 benefits of creative destruction

A

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
Q

Give 2 costs of creative destruction

A

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
Q

Give an example of where a firm or industry provided external benefits, but was shut down / not invested in to allocate resources elsewhere

A

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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