Elasticity | A-Level Economics Notes

These revision notes cover everything you need to know about Elasticity for A-Level Economics. They're designed for students studying AQA A-Level Economics, Edexcel A-Level Economics, and Edexcel International A-Level Economics. Written by Jaisul Naik, UCL Economics graduate and A-Level Economics tutor since 2017.


What is elasticity?

Elasticity is the responsiveness of one measure in response to another.

What does it mean if elasticity is 0?

A value of 0 refers to something being perfectly inelastic.

What does it mean if elasticity 1?

A value of 1 refers to something being unit elastic.

What does it mean if elasticity is between 0 and 1?

A value between 0 and 1 refers to something being relatively inelastic.

What does it mean if elasticity is more than 1?

A value between more than 1 refers to something being relatively elastic.

What does it mean if elasticity is infinity?

A value of infinity refers to something being perfectly elastic.


Summary questions

  1. what is elasticity?
  2. what does it mean if elasticity is 0?
  3. what does it mean if elasticity 1?
  4. what does it mean if elasticity is between 0 to 1?
  5. what does it mean if elasticity is more than 1?
  6. what does it mean if elasticity is infinity?

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