2.2

The role of markets

Cambridge IGCSE Economics (0455)  · Unit 2: The allocation of resources  · 8 flashcards

The role of markets is topic 2.2 in the Cambridge IGCSE Economics (0455) syllabus , positioned in Unit 2 — The allocation of resources , alongside Microeconomics and macroeconomics, Demand and Supply.  In one line: A market is any place (physical or virtual) where buyers and sellers interact to exchange goods or services. It’s where prices are determined through supply and demand.

This topic is examined in Paper 1 (multiple-choice) and Paper 2 (structured questions, including data-response items).

The deck below contains 8 flashcards — 2 definitions and 6 key concepts — covering the precise wording mark schemes reward.  Use the 2 definition cards to lock down command-word answers (define, state), then move on to the concept and application cards to handle explain, describe and compare questions.

Key definition

The term 'market' in economics

A market is any place (physical or virtual) where buyers and sellers interact to exchange goods or services. It’s where prices are determined through supply and demand.

Example: A farmer's market.

Questions this The role of markets deck will help you answer

Definition Flip

Define the term 'market' in economics.

Answer Flip

A market is any place (physical or virtual) where buyers and sellers interact to exchange goods or services. It’s where prices are determined through supply and demand.

Example: A farmer's market.
Key Concept Flip

Explain how the 'price mechanism' allocates resources in a market economy.

Answer Flip

The price mechanism uses supply and demand to determine prices, signaling where resources are most valued. High prices attract resources, while low prices discourage them, thus efficiently allocating them.

Example: If the price of coffee increases, more farmers will grow coffee beans.
Definition Flip

What is a 'free market' economy?

Answer Flip

A free market economy is one where resource allocation is primarily determined by the interactions of supply and demand, with minimal government intervention. Businesses can freely produce and sell goods and services.

Example: Hong Kong.
Key Concept Flip

Explain how price acts as a 'signal' in a market.

Answer Flip

Prices signal information about the relative scarcity or abundance of a good or service. High prices signal scarcity, encouraging producers to supply more and consumers to demand less.

Example: A sudden increase in avocado prices signals a shortage.
Key Concept Flip

How does price provide an 'incentive' for businesses?

Answer Flip

Higher prices provide an incentive for businesses to increase production and supply, as they can earn more profit. Lower prices may incentivize them to reduce production or exit the market.

Example: High electric car prices incentivize more companies to produce electric vehicles.
Key Concept Flip

Explain the 'rationing' function of prices in a market.

Answer Flip

Prices ration scarce goods and services by allocating them to those willing and able to pay the most. When supply is limited, higher prices reduce demand, ensuring only those who value the good the most obtain it.

Example: Limited edition sneakers sold at high prices are only available to those willing to pay.
Key Concept Flip

Describe how a market economy 'allocates' resources.

Answer Flip

A market economy allocates resources through the interaction of individual decisions made by buyers and sellers. These interactions determine market prices which then guide resource allocation to their most valued uses.

Example: Consumers buying more organic food leads to more land being used for organic farming.
Key Concept Flip

What is the main advantage of the price mechanism?

Answer Flip

The price mechanism allocates resources to where they are most valued and needed in the economy. This leads to higher overall consumer surplus and economic efficiency when the price mechanism works well.

Review the material

Read revision notes with definitions, equations, and exam tips.

Read Notes

Test yourself

Practice with MCQ questions to check your understanding.

Take Economics Quiz
2.1 Microeconomics and macroeconomics 2.3 Demand

Key Questions: The role of markets

Define the term 'market' in economics.

A market is any place (physical or virtual) where buyers and sellers interact to exchange goods or services. It’s where prices are determined through supply and demand.

Example: A farmer's market.
What is a 'free market' economy?

A free market economy is one where resource allocation is primarily determined by the interactions of supply and demand, with minimal government intervention. Businesses can freely produce and sell goods and services.

Example: Hong Kong.

More topics in Unit 2 — The allocation of resources

The role of markets sits alongside these Economics decks in the same syllabus unit. Each uses the same spaced-repetition system, so progress in one informs the next.

2.1 Microeconomics and macroeconomics

9 flashcards
2.3 Demand

9 flashcards
2.4 Supply

9 flashcards
2.5 Price determination

9 flashcards
2.6 Price elasticity of demand

10 flashcards
2.7 Price elasticity of supply

9 flashcards
2.8 Market economic system

9 flashcards
2.9 Market failure

9 flashcards
2.10 Mixed economic system

10 flashcards

Cambridge syllabus keywords to use in your answers

These are the official Cambridge 0455 terms tagged to this section. Mark schemes credit responses that use the exact term — weave them into your answers verbatim rather than paraphrasing.

market market economy free market allocation price mechanism signal incentive rationing

Key terms covered in this The role of markets deck

Every term below is defined in the flashcards above. Use the list as a quick recall test before your exam — if you can't define one of these in your own words, flip back to that card.

The term 'market' in economics
'free market' economy

How to study this The role of markets deck

Start in Study Mode, attempt each card before flipping, then rate Hard, Okay or Easy. Cards you rate Hard come back within a day; cards you rate Easy push out to weeks. Your progress is saved in your browser, so come back daily for 5–10 minute reviews until every card reads Mastered.