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NotesEconomicsTopic 4.4Monetary union
Back to Economics Topics
4.4.32 min read

Monetary union

IB Economics · Unit 4

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Contents

  1. 1What a monetary union is
  2. 2Compared with a common market
  3. 3Exam-style question

A monetary union: countries that share one currency and one central bank.

A monetary union, step by step

1

A common market

Free trade, a common external tariff, free movement of labour and capital.

First
2

One currency

Members give up their own money: the euro is used in 20 EU countries.

Plus
3

One central bank

The European Central Bank sets one interest rate for all of them.

Plus

The points to remember

  • Define it like this: "A monetary union is a group of countries that share a common currency and a common central bank."
  • The euro area is the main example.

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A monetary union is a common market plus a shared currency.

Common market

  • Free trade and a common external tariff.
  • Labour and capital move freely.
  • Each country keeps its own currency and interest rate.

Monetary union

  • Everything in a common market.
  • One currency for all members.
  • One central bank and one interest rate.

The points to remember

  • Members lose their own interest rate and exchange rate.
  • Distinguish: say what both share, then what the union adds.

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A Paper 2 definition in this shape could appear for 2 marks.

IB-style questionDefine[2 marks]

Text C says that the country is preparing to join a monetary union.

Define the term monetary union.

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IB Exam Questions on Monetary union

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How Monetary union Appears in IB Exams

Examiners use specific command terms when asking about this topic. Here's what to expect:

  • Define

    Give the precise meaning of key terms related to Monetary union.

    AO1
  • Describe

    Give a detailed account of processes or features in Monetary union.

    AO2
  • Explain

    Give reasons WHY — cause and effect within Monetary union.

    AO3
  • Evaluate

    Weigh strengths AND limitations of approaches in Monetary union.

    AO3
  • Discuss

    Present arguments FOR and AGAINST with a balanced conclusion.

    AO3

See the full IB Command Terms guide

Related Economics Topics

Continue learning with these related topics from the same unit:

4.1.1Benefits of international trade4.1.2Free trade on a diagram: exports and imports4.2.1Tariffs4.10.1Trade strategies and diversification
View all Economics topics
Improve your exam techniqueCommand terms, paper structure, and mark-scheme tips for Economics
Previous4.4.2Advantages and disadvantages of trading blocsNextThe World Trade Organization4.4.4

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