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v0.1.103
NotesEconomics HLTopic 2.2
Unit 2 · Microeconomics · Topic 2.2

IB Economics HL — 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
  • 2.2.4 Linear supply functions (HL)
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
2.2.4

Linear supply functions (HL)

Notes

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Topic 2.2 Supply forms a core part of Unit 2: Microeconomics 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 2.2 Supply cover in IB Business Management?
Topic 2.2 covers supply as part of the IB BM syllabus. Students learn key business concepts, tools, and frameworks that are assessed in Paper 1 (case study) and Paper 2 (structured questions).
How should I revise Supply for IB Business Management exams?
Start with the micro-topic notes to build understanding, then use flashcards for key terms and formulas. Practise applying concepts to case study scenarios and review how marks are allocated in IB mark schemes.
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