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Edexcel IGCSE Economics 1.1.4.i Formula of PES

Edexcel IGCSE Economics 1.1.4.i Formula of PES
Edexcel IGCSE Economics syllabusEconomics 4EC1First assessment 2019

Practise recalling the PES formula accurately so calculation answers can start with the correct percentage-change relationship.

How this is tested

  • state the PES formula as percentage change in quantity supplied divided by percentage change in price

Question 2(c)

[Maximum number: 1]

State the formula for price elasticity of supply (PES).