Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions
Find out more Download brochure

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!

2.7.1 Definition of PES

Topic 2.7.1 - Definition of price elasticity of supply (PES) This section of the Cambridge IGCSE Economics syllabus requires students to be able to define price elasticity of supply (PES). Price elasticity of supply (PES) refers to the extent to which the supply of a product changes due to a change in its price. In general, supply can be relatively price elastic (relatively responsive to changes in price) or price...

Help