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Cambridge IGCSE Economics

2.6.1-2.6.2Definition and calculation of PED

Definition and calculation of PED in Cambridge IGCSE Economics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 2.6.1Define price elasticity of demand.
  2. 2.6.2Calculate PED with the formula, interpret its value from perfectly inelastic to perfectly elastic, and draw demand curves showing different PED.

Lessons

  • Price elasticity of demand: calculating and interpreting PED

    30 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Definition and calculation of PED: sample question

1 mark

The PED for a good is −0.3. Demand for the good is

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