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v0.1.768
NotesEconomics HLTopic 4.2
Unit 4 · The global economy · Topic 4.2

IB Economics HL — Types of trade protection

Tariffs, quotas, subsidies, and other barriers to trade.

Exam technique guidePractice questions

What you'll learn in Topic 4.2

  • 4.2.1 Tariffs
  • 4.2.2 Quotas and subsidies
  • 4.2.3 Administrative barriers and other forms of protection
  • 4.2.4 Calculating welfare effects of trade protection (HL)
Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 4.2 Types of trade protection

4.2.1

Tariffs

Notes
4.2.2

Quotas and subsidies

Notes
4.2.3

Administrative barriers and other forms of protection

Notes
4.2.4

Calculating welfare effects of trade protection (HL)

Notes

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Topic 4.2 Types of trade protection forms a core part of Unit 4: The global economy in IB Economics HL. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

Frequently asked questions

What does Topic 4.2 Types of trade protection cover in IB Economics?
Topic 4.2 covers types of trade protection as part of the IB Economics syllabus. Students learn key economic concepts, models, and real-world applications that are assessed in Paper 1, Paper 2, and Paper 3 exams.
How should I revise Types of trade protection for IB Economics exams?
Start by reading the micro-topic notes to understand each concept, then use flashcards to memorise key terms and diagrams. Practise drawing and explaining economic models, and work through past paper questions to apply your knowledge under exam conditions.
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4.1 Benefits of international trade
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4.3 Arguments for and against trade control/protection
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