IB skill practice

Calculate and interpret HL elasticity measures

Economics HL skill with original exam-style quantitative, diagram, data-response, and evaluation seeds.

Paper 3 Paper 1 5 marks Difficulty 4

HL exam practice: Midpoint PED

A Sydney housing policy data reports price rising from $13 to $15 and quantity falling from 138 to 118. Calculate PED using the midpoint method and interpret the result. Use the diagram labels, numerical evidence, and policy context before writing the final judgement. Enter the answer and choose the interpretation that best matches the HL economic evidence.

Worked practice: economic evidence and answer

Identify the economic evidence first, then state the result and interpretation.