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v0.1.317
NotesEconomicsTopic 3.5
Unit 3 · Macroeconomics · Topic 3.5

IB Economics — Demand management: monetary policy

Interest rates, transmission mechanism, inflation targeting, and limitations.

Exam technique guidePractice questions

Key concepts in Demand management: monetary policy

Key Idea: Topic 3.5 explains how central banks use interest rates to influence AD. Monetary policy is the most commonly used tool for managing the business cycle in modern economies.

✅ Core definitions

⚙️ The transmission mechanism

Monetary policy shifts AD, NOT AS. Always draw an AD shift on your diagram.

⚖️ Evaluation and limitations

✅ Strengths: Flexible and quick to implement. Independent (no political pressure). Effective for demand-pull inflation. Can be fine-tuned gradually.

❌ Limitations: Time lags (6–18 months for full effect). Blunt instrument (affects whole economy). Liquidity trap — at zero rates, further cuts useless. Cannot fix cost-push inflation or structural unemployment.

If rates are near zero and the economy is still weak → monetary policy is 'pushing on a string'. This is the liquidity trap (Japan 1990s-2020s).

What you'll learn in Topic 3.5

  • 3.5.1 Central banks and interest rates
  • 3.5.2 The transmission mechanism
  • 3.5.3 Evaluation and limitations
Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 3.5 Demand management: monetary policy

3.5.1

Central banks and interest rates

Notes
3.5.2

The transmission mechanism

Notes
3.5.3

Evaluation and limitations

Notes

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Topic 3.5 Demand management: monetary policy forms a core part of Unit 3: Macroeconomics 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 3.5 Demand management: monetary policy cover in IB Business Management?
Topic 3.5 covers demand management: monetary policy 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 Demand management: monetary policy 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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