AQA A Level · 7136 · Paper 1: Markets and market failure

4.1.8.6 Market Imperfections

Also AQA AS 7135: 3.1.5.6

Everything you need for questions on market imperfections, in the words examiners reward. An interactive seven-step lesson goes with it.

What's on this sheet

  1. Key terms
  2. Misjudging the benefit
  3. How information gaps cause market failure
  4. Calculations
  5. Classic question: is asymmetric information still a serious problem?
  6. The other market imperfections AQA names
  7. Side 2: practice tasks, where the marks go, and exam-style questions
  8. Separate answer key

The lesson in seven steps

  1. When sellers know more
  2. Over- or under-consumption?
  3. Diagnose the information gap
  4. Information gaps trainer
  5. How big a problem?
  6. Build the chain
  7. Exam practice

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