Monopolies and oligopolies Flashcards

(52 cards)

1
Q

what is the nash equilibrium

A

a situation where all players in a game have chosen their best strategy, given the strategies of the other players

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is a dominant strategy

A

is where one single strategy is best for a player regardless of what strategy the other player in the game decides to use

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

impacts of game theory

A
  1. Strategic Decision Making
    Game theory involves analyzing the strategic decisions of firms in an oligopoly or competitive market ⟶

Firms must consider rival firms’ actions and how they may respond to their own choices ⟶

This leads firms to make better-informed decisions based on potential outcomes ⟶

It encourages firms to think in terms of cooperation vs. competition to maximize their own payoffs.

  1. Collusion Possibility 💼🤝
    In oligopolistic markets, game theory suggests that firms may cooperate rather than compete, leading to collusion ⟶

Firms recognize that working together to fix prices or output can maximize profits for all participants ⟶

Collusion reduces uncertainty in the market and can lead to higher prices and supernormal profits ⟶

However, this behavior is typically illegal and can be challenged by competition authorities.

Dynamic Competition and Innovation 🚀💡
Game theory can explain why firms may invest in innovation to outdo rivals ⟶

By anticipating that rivals will respond to new technology or products, firms may invest in R&D to gain a competitive advantage ⟶

This creates a dynamic competitive environment where firms must continually innovate to stay ahead ⟶

It encourages a cycle of improvement in products, services, and efficiency in the market.

Game theory helps explain the occurrence of price wars, especially in oligopolistic markets ⟶

Firms may engage in aggressive price competition to gain market share or force rivals to exit the market ⟶

This leads to short-term benefits (such as increased sales) but long-term losses (as prices decrease, profits are squeezed) ⟶

Eventually, firms may stop competing on price and shift to other strategies, such as non-price competition or collusion.

Kinked Demand Curve in Oligopolies 📉🔵
Game theory often explains the kinked demand curve in oligopolies, where firms expect price stability ⟶

Firms may be reluctant to raise prices because competitors won’t follow suit, resulting in lost market share ⟶

Conversely, lowering prices leads to price cuts by competitors, which neutralizes the advantage ⟶

This leads to a sticky price situation in oligopolistic markets where firms prefer non-price competition.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is game theory

A

a theory that explores the reaction of one player to a change in strategy of another player

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

characteristics of an oligopoly

A
  • few firms dominate the market
  • high concentration ratio
  • differentiated goods, so firms are price makers
  • high barriers to entry and exists
  • interdependence - firms make decisions based on the actions and reactions of rival firms
  • price rigidity
  • non price competition
  • profit maximisation not the sole objective
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

meaning of high concentration ratio

A

when a group of firms share most ≈70% of market share

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

examples of oligopolies

A
  • soft drink industry - pepsi,coke,sprite
  • car industry - mercedez ,bmw
  • supermarket - sainsburys,aldi,tescos
  • airlines
  • energy - SSE british gas etc
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

explain the kinked demand curve - interdependence

A

📉 Kinked Demand Curve (Explanation of Price Rigidity)
🔗 In an oligopoly, firms are highly interdependent — each firm’s pricing decision affects others
🔗 Firms assume that if they raise their prices, competitors won’t follow, causing a loss in market share
🔗 But if they lower their prices, competitors will follow to maintain their market share
🔗 This creates a kink in the demand curve at the current market price, causing price rigidity — prices don’t easily change even if costs change

    • if a firm raises its price above market level, competitors are unlikely to follow, as they can increase market share by keeping prices stable
  • competitors will shift to competitors offering lower prices, causing the original firm’s qd to fall disproportionately to the price increase
  1. if a firm decreases their price, qd will increase by a v small amount
    - if a firm lowers its price, competitors are likely to match the reduction to protect their own market share
    - the price matching diminishes the individual firms ability to attract more customers
    - the demand curve is more inelastic at this point, as all firms in the market lower their prices, limiting the qd increase and reducing revenue for all firms
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

using the linked demand curve, explain why oligopolistic firms do not need to change prices

A
  • firms aim to max profit at MC = MR
  • if the MC curve shifts within the vertical gap in the MR curve:
    • the profit maximising price and output remain unchanged, as there’s no unique MR to cross the new mc within the gap
  • so even with minor changes in costs, firms don’t need to adjust prices to maintain profit maximisation
  • so the price stays fixed despite cost fluctuations, contributing to price rigidity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

conclusions from linked demand curve

A

1, price competition may still happen
- a firm may reduce prices to try and increase market share (even though this wouldn’t work)

  1. non price competition
    - the kinked demand curve shows the drawbacks of price changes, leading firms to focus on non price factors such as product quality, branding, advertising etc
    - as this is a safer way to differentiate and attract customers without risking profitability through lower prices
  2. temptation to collude
    - the stability suggested by the linked demand curve may make firms consider collusion to maximise profits collectively, as maintaining stable prices benefits all players
    - collusion avoids the risks of price wars while ensuring higher collective profitability
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is overt collusion

A

where firms get together and agree to fix prices/quantity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is tacit collusion

A

when there is no formal communication between firms, they follow prices set by price leader

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what factors are likely to promote a competitive oligopoly

A
  • if there are many firms - as organising collusion when there are a lot of firms is harder
  • if new market entry is possible - then making huge supernormal profits by colluding together is not sustainable as it will only incentivise new firms to enter the market and take those profits
  • if there is one firm with significant cost advantage - it makes it difficult to organise/fix prices
  • if there are homogenous goods, then firms don’t have price making power
  • saturated market - where there are a lot of price wars and price competition
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

factors that promote collusive oligopolies

A
  1. small number of firms - they can get together easily to fix prices
  2. if firms have similar costs
  3. high entry barriers- eg predatory pricing
  4. ineffective competition policy
  5. if there’s high consumer loyalty and consumer inertia means lower incentive to cheat
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

pros and cons of a competitive oligopoly

A

✅ Advantages of a Competitive Oligopoly
1. Lower Prices due to Price Competition :
Firms in a competitive oligopoly may engage in price wars to attract market share ⟶

This puts downward pressure on prices ⟶

Consumers benefit from cheaper goods and services ⟶

Leading to higher consumer surplus and real incomes.

  1. Dynamic Efficiency through Innovation:
    Intense competition encourages firms to invest in R&D to gain a competitive edge ⟶

Leads to product innovation and technological advancements ⟶

Consumers enjoy better quality products and more variety ⟶

Contributes to long-term welfare improvements.

  1. Non-Price Competition Benefits Consumers :
    Firms may compete through branding, customer service, and product differentiation ⟶

Enhances consumer experience and satisfaction ⟶

Allows for tailored goods/services to different preferences ⟶

Strengthens brand loyalty and engagement.

❌ Disadvantages of a Competitive Oligopoly
1. Tacit or Formal Collusion Risks
Even in competitive oligopolies, firms may collude (legally or illegally) to avoid price wars ⟶

This leads to artificially high prices and reduced competition ⟶

Consumer surplus falls, and allocative inefficiency rises ⟶

Mirrors monopoly-like outcomes.

  1. Wasteful Spending on Advertising
    Non-price competition can result in huge marketing and branding expenses ⟶

These costs are often passed on to consumers through higher prices ⟶

Results in productive inefficiency ⟶

Resources may be misallocated away from investment and innovation.

  1. Market Power & Barriers to Entry
    Existing oligopolies often use tactics like brand loyalty, patents, or limit pricing to deter new entrants ⟶

This reduces contestability and long-term competition ⟶

Can allow firms to retain abnormal profits even when inefficient ⟶

Results in reduced innovation and consumer harm.

  1. Price Rigidity – Kinked Demand Curve Model
    Due to fear of price wars, firms may avoid changing prices, even when costs change ⟶

This leads to sticky prices and reduced responsiveness to economic conditions ⟶

Can result in inefficient market adjustments ⟶

Hurts both consumers and producers during inflation or recession.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

cons of a competitive oligopolistic market

A
  1. Price Wars ⚔️
    Firms in a competitive oligopoly may undercut each other to gain market share ⟶

This can lead to destructive price wars, reducing prices below cost ⟶

Firms may experience reduced profits, leading to cost-cutting or layoffs ⟶

Long-term investment and R&D may be sacrificed, harming innovation and quality.

  1. Excessive Non-Price Competition 💡
    Firms may shift focus to non-price competition such as advertising and branding ⟶

This can increase costs without improving productive efficiency ⟶

Consumers may pay higher prices due to inflated marketing costs ⟶

Market resources are misallocated, moving away from true consumer welfare gains.

  1. Lack of Productive Efficiency ⚙️
    Competitive oligopolies may not produce at the lowest point on their AC curve ⟶

Duplication of resources and underutilised economies of scale can occur ⟶

Higher average costs mean prices are not as low as they could be ⟶

Consumers lose out compared to a perfectly competitive market structure.

  1. Tacit Collusion Risk 🤝
    Even in competitive oligopolies, firms may observe rivals’ behaviour and engage in tacit collusion ⟶

Prices remain stable and above marginal cost, limiting consumer benefit ⟶

Market resembles a quasi-monopoly, even with multiple firms ⟶

Consumer surplus is eroded as firms prioritise profits over price competition.

  1. Inefficient Outcomes Due to Strategic Behaviour 🎯
    Firms may invest in limit pricing, capacity hoarding or lobbying to deter new entrants ⟶

These strategies consume resources that could be used productively ⟶

Such behaviour leads to static inefficiency and restricts innovation or market dynamism ⟶

Consumer choice and long-term market growth may suffer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

pros of a collusive oligopoly

A
  1. Higher Profits for Firms
    Firms in a collusive oligopoly agree to fix prices or restrict output ⟶

Leads to higher prices and reduced competition ⟶

Firms achieve supernormal profits as a result ⟶

Profits can be reinvested for long-term growth and expansion.

  1. Price Stability
    Collusive arrangements result in price stability over time ⟶

Reduces the likelihood of price wars that could destabilize the market ⟶

Consumers benefit from predictable prices ⟶

Businesses can plan and forecast revenues more accurately.

  1. Reduced Risk of Competition
    Collusion limits competitive pressures in the market ⟶

Firms have less incentive to cut prices or innovate to attract customers ⟶

Leads to lower risks for firms in terms of market share loss ⟶

Firms can enjoy long-term market stability and secure their positions.

  1. Increased Market Power
    Collusive firms gain greater control over the market ⟶

With collective market power, firms can influence supply and demand more effectively ⟶

This market control allows firms to set prices in their favour ⟶

Firms may be able to negotiate better terms with suppliers or other stakeholders.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

cons of a collusive oligopoly

A

Allocative Inefficiency
- In a collusive oligopoly, firms often restrict output and set higher prices than they would in a competitive market (P > MC), leading to allocative inefficiency.
- Consumers face higher prices, which reduces overall welfare, as they are paying more than they would in a competitive market.

Reduced Innovation
- With less competition, firms may have less incentive to innovate or improve their products since they can achieve high profits without needing to differentiate.
- This leads to dynamic inefficiency, as firms do not invest in research and development to improve products or services, stifling technological advancement.

Risk of Regulatory Penalties
- Collusion is illegal in many countries and can attract heavy fines, penalties, and reputational damage if discovered.
- Firms may face legal and financial consequences, which can harm their long-term prospects and erode consumer trust in their products.

Reduced Consumer Choice
- Collusive behavior often leads to limited product variety as firms focus on maintaining high prices rather than offering diverse or improved products.
- Consumers face fewer options and are unable to choose products that better meet their preferences, reducing consumer welfare.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what is a cartel

A

a form of collusion between suppliers. it occurs when two or more firms enter into agreements to restrict market supply and thereby fix the price of a product in a particular industry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

example of cartel

A

OPEC - oil
KLM - airline who got fined 127 million for price fixing in cargo sector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what is a monopoly

A

a single dominant seller in the market
CMA defines it as one firm having over 25% of market share

22
Q

features of a monopoly

A
  • differentiated products
  • high barriers to entry/exit, so sustainable spn profits
  • price makers
  • imperfect information
  • firms are profit maximisers
23
Q

comment on efficiencies in a monopoly

A
  • allocative efficiency not being reached, as P ≠ MC, price is greater than MC so they exploit consumers with higher prices and lower cs, they also restrict output
  • productive efficiency not being reached, they are voluntarily forgoing (going without) economies of scale by not producing at the minimum point ofAC
  • There is X inefficiency if they become complacent as they consistently make supernormal profits
    so no static efficiency
  • dynamic efficiency can be reached as there are long run supernormal profits. there are high barriers to entry as well as imperfect information and this keeps new forms out of the market. the monopolist can reinvest back into the company in the form of tech etc
24
Q

benefits of a monopoly (FOR A FIRM)

A

💰 Economies of Scale
🔗 A monopoly can achieve large economies of scale due to its dominant market share
🔗 With a bigger production scale, the firm can spread its fixed costs over more units, reducing average costs
🔗 This allows the monopoly to offer lower prices than smaller competitors, making the product more affordable for consumers
🔗 Over time, economies of scale can lead to higher efficiency and lower prices for consumers in the long run

🌱 Long-Term Investment in Innovation
🔗 Because monopolies face little competition, they can afford to make large investments in research and development (R&D)
🔗 With consistent revenue, they have the financial stability to fund long-term innovation and new product development
🔗 In the absence of competition, monopolies have the incentive to create cutting-edge technology or improve efficiency
🔗 This can lead to technological advancements and better quality products for consumers in the long run

Cross-subsidisation
- Monopoly firms can use profits from one profitable sector to subsidize losses in less profitable or loss-making sectors.
- This diversification helps the firm maintain market presence in multiple areas, contributing to its resilience and brand reputation.

Market Stability
- As the sole supplier, a monopoly can avoid price wars and instability associated with competition, allowing for predictable revenue streams.
- Stability supports long-term planning and investment, enabling the firm to focus on improving operations and expanding its market influence.

Price Discrimination
- Monopoly firms can engage in price discrimination, charging different prices to different consumer groups based on their willingness to pay. This maximizes revenue and profits.
- Higher profits from price discrimination can be reinvested into the firm, contributing to innovation and product development.

25
costs of a monopoly (FOR A FIRM)
1. Lack of Incentive to Innovate 🧠 With limited or no competition, the firm may face less pressure to innovate ⟶ This can lead to complacency and missed opportunities for new products or cost savings ⟶ Rivals in other markets may develop better technology or business models ⟶ The monopolist risks being disrupted in the long run. 2. Risk of X-Inefficiency ⚙️ Monopolies face less pressure to control costs as profits are usually guaranteed ⟶ This can lead to wasteful spending, slack labour productivity, or inflated bureaucracy ⟶ Over time, higher costs make the firm less agile and less competitive if conditions change ⟶ The firm becomes vulnerable to sudden shocks or market liberalisation. 3. Regulatory Scrutiny and Intervention 🧾 Being a monopoly attracts government attention due to potential consumer harm ⟶ Firms may be subject to price controls, investigations, or forced breakups ⟶ Complying with regulation increases legal and admin costs ⟶ These factors reduce the firm’s flexibility and decision-making power. 4. Diseconomies of Scale 📉 As the firm grows too large, coordination, communication, and motivation problems may arise ⟶ These diseconomies of scale increase average costs and reduce efficiency ⟶ The firm may struggle to maintain productivity and consistent quality ⟶ Profit margins could fall despite the monopoly position.
26
benefits of a monopoly for consumers
1. Economies of scale and lower prices - monopolies achieving eos can reduce production costs, potentially lowering prices for consumers - lower costs also allow firms to produce at a larger scale, meeting consumer demand more 2. innovation through r&d - supernormal profits allow monopolies to invest in research and development, creating higher quality products or entirely new goods over time - consumers benefit from access to innovative and improved products over time 3. International competition - a domestic monopoly may face competition from foreign firms, incentivising it to maintain efficiency and competitive pricing - this ensures consumers still gain access to better prices and quality
27
costs of a monopoly for a consumer
1. Higher Prices 💸⬆️ Monopolies are price makers, setting prices above marginal cost ⟶ Leads to higher prices compared to perfect competition ⟶ Consumers face reduced real incomes and lower affordability ⟶ This results in lower consumer surplus and welfare loss. 2. Restricted Output 📉📦 To maximise profits, monopolists produce where MC = MR, not where supply meets demand ⟶ Leads to allocative inefficiency, where some consumers willing to pay more than MC don’t get the product ⟶ Causes under-consumption of potentially beneficial goods ⟶ Reduces overall welfare and satisfaction for consumers. 3. Lack of Consumer Choice 🛒🚫 With no close substitutes, monopolists dominate the market ⟶ Consumers are forced to buy a single option, even if it doesn't meet preferences ⟶ This limits diversity and innovation in products and services ⟶ Leads to consumer dissatisfaction and loss of utility. 4. Poor Quality and Service : Due to lack of competitive pressure, monopolists may have less incentive to innovate or improve quality ⟶ Consumers receive inferior goods or services at higher prices ⟶ This leads to lower value for money ⟶ Resulting in a decline in consumer satisfaction and welfare.
28
costs of a monopoly to suppliers
1. monopsony power over suppliers - a monopoly with monopsony power(**A BILATERAL MONOPOLY**) may exploit suppliers by forcing lower prices, which can reduce suppliers revenues and stifle innovation or production at earlier stages of the supply chain - this can have knock on effects of the broader economy, such as reduced investment and job losses in upstream industries
29
what is a natural monopoly
- occurs when it is most efficient for one firm to supply the entire market, due to high fixed costs and significant eos - own 100% market share
30
examples of natural monopolies
- national grid - tfl - thames water
31
features of a natural monopoly
- large fixed costs, result in a downward-sloping long-run average cost (LRAC) curve, where increasing output reduces average costs. - effective for one provider to serve the market. Allowing multiple firms to build duplicate tracks would create wasteful duplication, driving up costs and increasing fares for consumers. - A single operator can achieve economies of scale, such as bulk purchasing of equipment or better use of management expertise, further lowering average costs. - govt subsidises any losses
32
in a natural monopoly, what might competition cause
- wasted products - productive and allocative efficiency
33
how would a natural monopoly be efficient
if it is regulated
34
describe a non regulated natural monopoly graph
- no allocative efficiency or productive - firm sets price where costs = mr, this restricts output and increases price - as they provide essentials, this is unsustainable in the long run, so governments enforce regulations
35
describe a regulated natural monopoly(graph)
- prices are lowered to where P = MC - increased output - however AC is greater than AR, so there’s a huge loss - usually a subsidy is given that is the same value of the loss - allows them to make normal profits in LR
36
key takeaways from natural monopolies
- significant economies of scale - minimum efficient scale is very high - productively efficient for one firm to operate in the industry - pricing for allocative efficiency leads to losses - case for government ownership or subsidy, or right regulation
37
what is price discrimination
where a firm charges different prices to different consumers for an identical good with no differences in costs of production
38
conditions necessary for price discrimination
- firm needs price making ability, so need some kind of monopoly power - need to have information to separate the market into different PED, eg identify consumers with inelastic PED so they can charge higher prices - prevent reselling (market seepage)
39
what is price discrimination in the third degree
when a firm is able to segment the market into different ped. so there’ll be one group of consumers with inelastic PED and one with elastic PED - a firm will recognise that based on things like age, income, time differences, and will therefore charge different prices to different groups - eg rail company
40
advantages of price discrimination
Dynamic Efficiency - PD enhances firm profitability, enabling greater investment in R&D. - Supernormal profits generated from higher-paying consumer groups can fund innovation, product development, and technology improvements. 1. Increased Revenue & Profit 📈 Firms charge higher prices to inelastic consumers and lower to elastic ones ⟶ This allows firms to capture more consumer surplus as producer surplus ⟶ Overall revenue and supernormal profit increase ⟶ Supports sustainability and growth, especially in monopolistic markets. 2. Better Capacity Utilisation 🏭 Lower prices at off-peak times or for certain segments attract more customers ⟶ Fixed resources like trains, gyms, or cinemas are used more efficiently ⟶ Average costs fall due to spreading fixed costs over more units ⟶ Improves productive efficiency and profitability. 3. Discourages Entry & Strengthens Market Power 🚫 Firms with pricing power can use price discrimination to undercut potential rivals ⟶ This can reduce contestability and protect market share ⟶ Maintains monopoly power and long-term profit stability. 4. Allows for Cross-Subsidisation 🎯 Profits from high-paying segments can subsidise lower-paying ones ⟶ Helps maintain presence in low-margin or loss-making markets ⟶ Can support corporate social responsibility goals while still being profitable.
41
cons of price discrimination
📉 Consumer Harm (Exploitation) 🔗 Price discrimination can exploit consumers by charging them higher prices than they would pay under uniform pricing 🔗 Some consumers, especially those with inelastic demand, end up paying more than others for the same product 🔗 This leads to inequality in how consumers are treated, as some may feel unfairly charged for the same product or service 🔗 As a result, consumer welfare can decrease, especially for vulnerable groups ⚖️ Inefficiency in the Market 🔗 Price discrimination can lead to allocative inefficiency, where resources are not distributed in the most efficient way 🔗 When firms price differently based on consumer willingness to pay, it may result in overpricing for some groups and underpricing for others 🔗 This can cause misallocation of resources, where some consumers who value the product highly may be priced out, while others who value it less may get a cheaper deal 🔗 In the long term, this may reduce overall market efficiency, as it disrupts the balance between supply and demand 🏆 Barriers to Entry for Competitors 🔗 Price discrimination can give established firms an unfair competitive advantage by allowing them to charge different prices to different groups 🔗 New entrants may struggle to compete, as they would have to offer uniform pricing, which could limit their ability to attract customers 🔗 This may lead to less competition in the market, potentially stifling innovation and preventing consumers from benefiting from lower prices or better products 🔗 As a result, barriers to entry increase, and monopoly power can become entrenched 💸 Administrative Costs 🔗 Implementing price discrimination often requires additional administrative costs to segment the market and track consumer behavior 🔗 Firms need to gather data, develop pricing strategies for different consumer groups, and potentially adjust prices in real-time 🔗 These costs can be significant, especially for small firms, and might not be worth it if the gains from discrimination are small 🔗 In some cases, these administrative efforts can actually reduce overall profitability in the long run 🔄 Consumer Confusion and Backlash 🔗 Consumers may become confused or frustrated when they discover they are paying different prices for the same product 🔗 This can lead to a negative perception of the business and may result in consumer backlash, especially if the price discrimination seems unfair or arbitrary 🔗 Negative reviews and social media campaigns can tarnish a company's reputation 🔗 Over time, this backlash can damage brand loyalty and reduce demand among certain consumer groups
42
advantages of price discrimination for consumers
Increased Access for Lower-Income Consumers 🧾 Price discrimination allows firms to charge different prices to different groups ⟶ Lower-income consumers may pay less (e.g. student discounts, off-peak fares) ⟶ This makes goods/services more accessible to those who might otherwise be excluded ⟶ Consumer surplus increases for these groups. Higher Revenue Sustains Services 💸 Charging higher prices to inelastic consumers boosts firm revenue ⟶ This extra profit can subsidise provision in less profitable areas ⟶ Services may remain available in rural or low-demand areas that would otherwise be unprofitable ⟶ Consumers benefit from continued access where the market would otherwise fail. Encourages Output Expansion 📦 Firms can segment the market and sell extra units to more price-sensitive consumers ⟶ This increases total output compared to uniform pricing ⟶ More consumers can benefit from the product ⟶ Allocative efficiency may improve in some cases. Promotes Dynamic Efficiency and Innovation ⚙️ Higher profits from price discrimination can be reinvested in R&D ⟶ This can lead to better quality, innovation, or lower costs over time ⟶ Consumers benefit from improved products and services in the long run ⟶ Especially true in sectors like pharmaceuticals or tech.
43
Arguing That a Sector Is a Natural Monopoly – Chain of Analysis
1️⃣ High Fixed Costs → Significant Economies of Scale Certain industries (e.g., utilities, railways) require massive upfront investment in infrastructure (e.g., power grids, rail networks). 🔽 As firms produce more output, average costs (AC) continue to fall because fixed costs are spread over a larger quantity of goods/services. 🔽 This creates significant economies of scale, meaning a single large firm can operate at a lower cost per unit than multiple smaller firms. 2️⃣ Duplication of Infrastructure Would Be Inefficient If multiple firms tried to compete in a natural monopoly sector (e.g., building multiple electricity grids in one city), each firm would have to set up its own expensive infrastructure. 🔽 This would result in wasteful duplication and drive up total industry costs, leading to higher prices for consumers. 🔽 Thus, allowing a single firm to dominate ensures that resources are used efficiently, keeping costs lower. 3️⃣ Declining Long-Run Average Cost (LRAC) → Single Firm Can Always Undercut Competitors Due to high fixed costs and economies of scale, a single firm can always produce at a lower cost per unit than any new entrant. 🔽 If a new firm tries to enter, it lacks the same cost advantages and must charge higher prices to remain profitable. 🔽 As a result, the incumbent firm can price out competitors, making competition unsustainable in the long run. 4️⃣ Essential Service Provision → Monopoly Prevents Market Failure Many natural monopolies exist in essential sectors (e.g., water supply, electricity, rail transport), where reliability and universal access are crucial. 🔽 If multiple firms operated in these markets, some areas might be underserved (e.g., rural areas with low profitability). 🔽 A single regulated monopoly ensures continuous service provision, avoiding market failure due to under-provision of essential services. 5️⃣ Contestability Is Limited → High Barriers to Entry Natural monopolies often involve huge sunk costs (e.g., power plants, water pipelines), making entry extremely difficult for new firms. 🔽 Even if a competitor enters, it cannot recover these sunk costs if forced to exit, discouraging investment. 🔽 This means the market remains inherently uncompetitive, reinforcing the idea that it is more efficient for a single firm to dominate.
44
Arguing against a sector being a natural monopoly
1. Lack of Significant Economies of Scale ❌📉 In a natural monopoly, average costs fall as output increases due to high fixed costs ⟶ But if a sector shows constant or rising average costs after a certain point ⟶ It means there are no extensive economies of scale left to exploit ⟶ Suggests that multiple firms can operate efficiently, so it’s not a natural monopoly. 2. Presence of Effective Competition 🏁📊 If many firms can enter and survive in the market without excessive costs ⟶ This indicates low barriers to entry and that one firm doesn’t dominate ⟶ No firm benefits uniquely from massive scale ⟶ Therefore, the sector is not naturally monopolistic. 3. Duplicated Infrastructure Exists 🏗️⚡ Natural monopolies often arise due to high infrastructure costs (e.g., water pipes, electricity lines) ⟶ But if competing firms build their own infrastructure (e.g., broadband providers) ⟶ This shows infrastructure is not prohibitively expensive ⟶ So the market can support competition, meaning it’s not a natural monopoly. 4. Firms Operating at Efficient Scale Without Dominating Market Size 📦📏 In natural monopolies, the minimum efficient scale (MES) is so high that only one firm can reach it ⟶ But if many firms operate at MES and none dominate output ⟶ It suggests economies of scale are exhausted early ⟶ Therefore, the sector is not a natural monopoly.
45
examples and benefits of price competition
🔹 1️⃣ Limit Pricing (Discouraging Market Entry) An incumbent firm sets prices low (just above average cost) to make it unprofitable for new firms to enter the market. This protects market share and reduces long-term competition. Existing firms benefit from lower competition, maintaining a dominant position. Consumers might enjoy lower prices initially, but could face higher prices in the long run due to reduced competition. 📌 Example: Amazon uses limit pricing by keeping profit margins low, making it difficult for new retailers to compete. 🔹 2️⃣ Predatory Pricing (Driving Out Competitors) A firm temporarily sets prices below cost to force competitors out of the market. Once rivals exit or become weak, the firm raises prices to recoup losses. This eliminates competition, leading to higher long-term profits. Consumers benefit from short-term low prices, but in the long run, they may face monopoly pricing. 📌 Example: Uber vs. Local Taxi Firms – Uber used very low fares to drive traditional taxis out of business, then later increased prices. 🔹 3️⃣ Price Matching (Maintaining Market Share) Firms promise to match competitors' prices, reducing the incentive for customers to switch. This prevents price wars, while still keeping prices low for consumers. Consumers feel reassured that they are getting the best deal. Firms retain market share while maintaining brand loyalty. 📌 Example: John Lewis’ ‘Never Knowingly Undersold’ policy guaranteed to match competitors' prices, keeping customers loyal. 🔹 4️⃣ Price Discrimination (Maximizing Revenue) Firms charge different prices to different consumer groups based on willingness to pay. This allows businesses to maximize revenue and profits by capturing more consumer surplus. Consumers with lower willingness to pay (e.g., students) can access goods at cheaper rates. Helps firms cover fixed costs and reinvest in innovation and quality improvements. 📌 Example: Airlines charge different fares for economy, business, and first-class passengers based on demand elasticity.
46
examples and benefits of non price strategies
🔹 1️⃣ Advertising (Brand Loyalty & Market Power) Firms invest heavily in advertising to increase brand recognition and customer loyalty. This helps create perceived product differentiation, even if the actual product is similar to competitors'. Consumers become less price-sensitive, allowing firms to charge premium prices without losing demand. The firm gains market power, reducing the risk of competitors stealing market share. 📌 Example: Coca-Cola vs. Pepsi – Coca-Cola’s strong brand image through advertising helps maintain high demand, despite similar pricing. 🔹 2️⃣ Product Design & Packaging (Perceived Quality & Differentiation) Firms invest in unique product designs and packaging to differentiate themselves from competitors. Aesthetic appeal and functionality enhance perceived value, making consumers willing to pay more. Differentiation helps firms reduce price elasticity of demand, allowing for higher profit margins. Strong branding through packaging can create repeat purchases and brand loyalty. 📌 Example: Apple’s sleek product design & eco-friendly packaging create a premium feel, justifying higher prices. 🔹 3️⃣ Customer Service (Loyalty & Competitive Edge) Firms invest in after-sales support, warranties, and personal customer interactions. High-quality customer service reduces consumer uncertainty, making them more likely to choose a trusted brand. This leads to repeat purchases and positive word-of-mouth marketing, lowering customer acquisition costs. Firms can charge higher prices without losing demand, as consumers value service over just cost. 📌 Example: John Lewis’ excellent customer service and free returns policy encourage loyalty and premium pricing. 🔹 4️⃣ Provision of Complementary Products or Services (Enhanced Value Proposition) Firms bundle products or offer additional services to enhance the overall customer experience. This makes switching to competitors more difficult, increasing customer retention. Bundling complementary products increases consumer surplus, leading to higher perceived value. Firms generate additional revenue streams beyond the core product. 📌 Example: Microsoft Office comes bundled with Word, Excel, and PowerPoint, making it more attractive than buying alternatives separately.
47
ev points for price discrimination
📊 Depends on the Elasticity of Demand Across Consumer Groups Price discrimination is only profitable if different consumer groups have different price elasticities of demand ➡️ If the firm misjudges elasticity and sets prices too high for elastic consumers, sales could fall ➡️ This would reduce total revenue, especially if marginal cost is low ➡️ ⏩ So profits may fall unless the firm segments the market accurately 💡 Depends on the Cost of Separating Markets To price discriminate, firms must prevent resale and identify different groups ➡️ This may require data collection, legal controls, or different versions of a product, increasing costs ➡️ If these costs are too high, they may outweigh the extra revenue ➡️ ⏩ Profitability only rises if administrative costs are low 📉 Depends on the Nature of Competition In highly competitive markets, rivals may undercut discriminatory prices ➡️ This can erode market share or force the firm to lower prices ➡️ This reduces the ability to sustain price differences across segments ➡️ ⏩ So price discrimination may not lead to higher profits if competition is strong 🧾 Depends on Regulatory Intervention or Public Backlash Price discrimination, especially in essential goods (e.g. utilities, drugs), may face regulatory limits ➡️ Governments may cap prices or fine firms for perceived unfairness ➡️ Firms might also face consumer backlash and brand damage ➡️ ⏩ This can reduce long-term demand or trigger intervention that harms profits
48
advantages of cartels
💡 Advantage 1: Higher Prices and Profits Cartels allow firms to coordinate pricing and reduce competition. → By controlling supply and setting prices, cartel members can increase prices above competitive levels. → Higher prices lead to increased profits for the firms involved in the cartel. → This allows them to generate more revenue, potentially enabling reinvestment or higher returns for shareholders. 💡 Advantage 2: Reduced Competition Cartels can limit competition by setting production quotas and market shares. → This leads to higher market concentration and less price competition. → Reduced competition can make the market more predictable, allowing firms to plan and forecast better. → Firms benefit from the stability provided by the cartel agreement, which can enhance long-term profitability. 💡 Advantage 3: Economies of Scale When firms within a cartel coordinate their production, they may be able to achieve economies of scale. → Larger production volumes across cartel members can reduce per-unit costs. → This can lead to lower production costs for the cartel members, boosting their profitability. → Over time, these economies of scale may also result in greater market control for cartel members. 💡 Advantage 4: More Investment in Research and Development With higher profits, cartel members may have greater financial resources to invest in research and development (R&D). → Increased R&D can lead to innovation and improved products. → These innovations can give cartel members a competitive advantage, enhancing their market position. → The stability and predictability of the cartel might encourage long-term investment in product development.
49
disadvantages of cartels
💡 Disadvantage 1: Higher Prices for Consumers Cartels reduce competition by fixing prices and output levels. → This leads to higher prices for consumers as firms can charge more without fear of losing market share. → Consumers face reduced consumer surplus due to the inflated prices. → As a result, cartels lead to inefficiency in the market and a loss of welfare for consumers. 💡 Disadvantage 2: Reduced Incentive for Innovation Cartels can reduce the pressure to innovate. → With less competition, firms are less incentivized to improve products or adopt new technologies. → This results in static market conditions, where innovation stagnates, leading to a lack of dynamic efficiency. → Over time, cartel members may become complacent and fail to offer better products or services. 💡 Disadvantage 3: Potential for Cartel Breakdown Cartels rely on firms cooperating to maintain high prices and control supply. → However, firms within the cartel may cheat or undermine the agreement by offering lower prices to gain market share. → This can lead to a collapse of the cartel as trust between members breaks down. → The breakdown can result in market instability and a return to competitive pricing. 💡 Disadvantage 4: Legal Risks and Penalties Cartels are illegal in many countries due to their anti-competitive nature. → Firms involved in cartels can face heavy fines and legal consequences if caught by regulators. → These legal penalties can damage a firm's reputation and harm its long-term profitability. → The risk of detection and prosecution acts as a deterrent to cartel formation, but for those who do engage in such behavior, it poses a major downside.
50
ev points for cartels
💡 Disadvantage 1: Higher Prices for Consumers Cartels reduce competition by fixing prices and output levels. → This leads to higher prices for consumers as firms can charge more without fear of losing market share. → Consumers face reduced consumer surplus due to the inflated prices. → As a result, cartels lead to inefficiency in the market and a loss of welfare for consumers. 💡 Disadvantage 2: Reduced Incentive for Innovation Cartels can reduce the pressure to innovate. → With less competition, firms are less incentivized to improve products or adopt new technologies. → This results in static market conditions, where innovation stagnates, leading to a lack of dynamic efficiency. → Over time, cartel members may become complacent and fail to offer better products or services. 💡 Disadvantage 3: Potential for Cartel Breakdown Cartels rely on firms cooperating to maintain high prices and control supply. → However, firms within the cartel may cheat or undermine the agreement by offering lower prices to gain market share. → This can lead to a collapse of the cartel as trust between members breaks down. → The breakdown can result in market instability and a return to competitive pricing. 💡 Disadvantage 4: Legal Risks and Penalties Cartels are illegal in many countries due to their anti-competitive nature. → Firms involved in cartels can face heavy fines and legal consequences if caught by regulators. → These legal penalties can damage a firm's reputation and harm its long-term profitability. → The risk of detection and prosecution acts as a deterrent to cartel formation, but for those who do engage in such behavior, it poses a major downside.
51
definition of market concentration
A concentration ratio is the total market share of the four largest firms in a market.
52
bilateral monopoly
a market structure where a single buyer (monopsony) and a single seller (monopoly) interact