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v0.1.634
NotesEconomicsTopic 2.2
Unit 2 · Microeconomics · Topic 2.2

IB Economics — Supply

Supply curve, determinants, shifts vs movements, and real-world applications.

Exam technique guidePractice questions

Key concepts in Supply

Key Idea: Topic 2.2 explains what supply is, why the supply curve slopes upward, what shifts it, and how to tell a supply shift from a demand shift in exam questions.

✅ Core definitions

📈 Why supply slopes upward

🔄 Non-price determinants (shift the curve)

⚡ Movements vs shifts

In an exam scenario: ask 'did PRICE change or did something ELSE change?' Price → movement. Anything else → shift.

What you'll learn in Topic 2.2

  • 2.2.1 The law of supply
  • 2.2.2 Determinants of supply
  • 2.2.3 Movements vs shifts of supply
Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 2.2 Supply

2.2.1

The law of supply

Notes
2.2.2

Determinants of supply

Notes
2.2.3

Movements vs shifts of supply

Notes

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Topic 2.2 Supply forms a core part of Unit 2: Microeconomics in IB Economics. 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 2.2 Supply cover in IB Economics?
Topic 2.2 covers supply 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 Supply 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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