Test Your Knowledge Flash Cards 🔒Play Lemonaire 🔒Play Last Stand

Government Intervention » Regulating Competition

What you'll learn this session

Study time: 30 minutes

Edexcel spec: 1.2.6 (c)

Why governments regulate competition
How regulation promotes competition and limits monopoly power
How consumers are protected and how mergers and takeovers are controlled
Examples of competition authorities around the world

🔒 Unlock Full Course Content

Unlock This Course

Why governments regulate competition

Competition usually helps consumers. Firms fight for customers, so prices stay lower, quality is better and there is more choice. But some firms want to avoid competition. They may agree prices with rivals, push small firms out of the market, or buy up their rivals. When that happens, consumers can lose out. This lesson is about how governments step in. It is examined on Paper 1 (Microeconomics and Business Economics).

Remember, a monopoly is a firm that dominates a market, and a takeover is when one firm buys another. This lesson looks at what the government does about them.

Key terms:

Competition authority: a public body set up by the government to protect competition and consumers.
Merger: when two firms agree to join together to make one new firm.
Anti-competitive behaviour: actions by firms that reduce or prevent competition, such as fixing prices together.
Price cap: a limit set by the government or a regulator on how high a firm can raise its price.

The four aims of regulation

The spec gives four aims. Each one is explained below.

🏆 Promote competition

The government makes laws that keep markets open. It can make it easier for new firms to start up, so that existing firms feel pressure to keep prices low and quality high.

⚖️ Limit monopoly power

A dominant firm could charge high prices because buyers have nowhere else to go. The government can stop it from misusing its position.

🛍️ Protect consumers

Rules stop firms from cheating customers with unfair prices, false claims or unsafe products.

🤝 Control mergers and takeovers

The government checks big deals to make sure they will not leave one firm with too much power.

Promoting competition

A government can promote competition in several ways:

It can make it easier to enter a market, for example by cutting the paperwork needed to set up a firm.
It can break up a very large firm into smaller, competing firms.
It can open up a market that used to be run by the state, so that private firms can compete with each other.
It can ban agreements between firms that fix prices, share out customers or limit output. These are examples of anti-competitive behaviour. Firms that take part can be fined.

More competition means firms must try harder to attract customers. The result is usually lower prices, better quality and more innovation.

Limiting monopoly power

A monopoly can be a price-maker. Left alone, it might raise prices and offer poor service, because customers have little choice. Governments have several ways to limit this power:

Investigate and fine. A competition authority can investigate a dominant firm that is thought to be abusing its position, for example by charging unfairly high prices or by stopping rivals from entering. If the firm is guilty it can be fined and ordered to change its behaviour.
Price caps. The government or a regulator can set a limit on how much the firm may raise its prices. Some countries do this for essential services such as gas and electricity, where customers cannot easily switch.
Break-up. In extreme cases a monopoly can be split into separate firms.
Regulating privatised industries. When an industry that is a monopoly is sold off, a regulator can be set up to watch prices and service. You met privatisation earlier in the course.

Protecting consumer interests

Competition rules protect consumers from unfair prices and misleading deals

Even where there is competition, individual consumers can be at a disadvantage. A firm often knows far more about its product than the buyer does. Governments protect consumers by:

banning false or misleading adverts and hidden charges
setting safety standards for products
making firms give clear information, such as on prices and contracts
giving buyers the right to a refund if goods are faulty
using price caps where there is little real competition

Protected consumers can trust that they will be treated fairly, so they are more willing to buy. This helps honest firms too, because they are not undercut by firms that cheat.

Controlling mergers and takeovers

When two big firms want to merge, regulators check it won't harm competition first

When two firms merge or one firm takes over another, the new firm is bigger and has fewer rivals. This can help the firm to enjoy economies of scale, but it can also leave a market with just one or two firms. A competition authority checks large deals before they go ahead. It asks one main question: will this deal reduce competition and harm consumers?

After its investigation, the authority can:

allow the deal if competition will not be harmed
allow it only with conditions, such as the firm selling off part of its business
block the deal completely

Worked example

Two big supermarket chains in Country P have 40% and 35% of the market. They plan to merge. The competition authority checks the deal. The new firm would hold 75% of the market, so shoppers would have far less choice and the new firm could raise prices. The authority blocks the merger. Now suppose instead that two small cafes in a big city want to merge. They have only 1% of the market between them, so competition would not suffer and the deal is allowed.

Competition authorities around the world

Many countries have a competition authority. You should be able to give general examples:

United Kingdom: the Competition and Markets Authority (CMA).
European Union: the European Commission handles competition law for the EU.
United States: the Federal Trade Commission (FTC) and the Department of Justice.

These bodies investigate firms, review mergers and takeovers, and can fine firms that break competition law.

Advantages and limits of regulation

✅ Advantages

Lower prices, more choice and better quality for consumers. Fairer chances for small firms. Firms have a reason to innovate rather than rely on dominance.

❌ Disadvantages

Investigations are slow and costly for the government. Rules can limit the economies of scale that a large firm could pass on as lower prices. A price cap set too low can reduce a firm's profit and its ability to invest.

Common mistakes

Saying the government always tries to remove big firms. Big firms are allowed. Regulation targets firms that misuse power or deals that would harm competition.
Writing "the government stops all mergers". Most mergers are allowed. Only some are blocked or have conditions.
Naming only the aim and not explaining how it helps consumers. Always link the policy to prices, choice or quality.

Exam-style question

Country M has two main mobile phone companies, Alto and Brev. Together they have 90% of the market. Alto plans to merge with Brev. The competition authority is investigating.

(a) Define the term 'merger'. [2 marks]

(b) Explain one way the competition authority could control the merger. [2 marks]

Model answer

(a) A merger is when two firms agree to join together (1) to form one new firm (1).

(b) The authority could block the merger (1) because Alto and Brev already have 90% of the market and joining would leave almost no competition (1). It could also allow it with conditions, such as selling off part of the business.

(c) Regulation could stop the merger or limit the power of the firm (1). If Alto and Brev stay separate, they must compete for customers (1). This is likely to keep phone prices lower and improve choice and quality (1). Without regulation, a single firm could raise prices because customers would have nowhere else to go (1).

Exam tip

In an 'analyse' answer, build a chain: the policy, what it does to competition, then what that means for consumers (prices, choice or quality).

Recap

Governments regulate competition to promote competition, limit monopoly power, protect consumers and control mergers and takeovers.
Tools include banning price-fixing, fines, price caps, consumer laws and checking large deals.
A competition authority can allow, add conditions to, or block a merger or takeover.
Examples are the CMA in the UK, the European Commission in the EU and the FTC in the USA.

Test Your Knowledge