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!

2.6.1 Definition of PED

Topic 2.6.1 - Definition of price elasticity of demand (PED) This section of the Cambridge IGCSE Economics syllabus requires students to be able to define price elasticity of demand (PED). The law of demand states that as the price of a good or service increases, the quantity demanded fall, all things being equal. However, the degree of responsiveness of the change in quantity demanded will vary depending on the...

Help