Edexcel A Level · 9EC0 · Theme 3: Business behaviour and the labour market

3.4.7 Contestability

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

What's on this sheet

  1. What makes a market contestable?
  2. Sunk costs
  3. Limit pricing in a contestable market
  4. Implications for firms
  5. Classic question: will the threat of entry make a monopoly act like a competitive firm?
  6. Side 2: practice tasks, where the marks go, and exam-style questions
  7. Separate answer key

The lesson in seven steps

  1. Price to keep rivals out
  2. Sort the changes
  3. How contestable is it?
  4. Contestability trainer
  5. The power of a threat
  6. Build the chain
  7. Exam practice

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