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 5

HL exam practice: XED sign

A Melbourne transport market extract reports the price of train travel rising by 11% and demand for bus travel rising by 7%. Calculate XED and interpret the relationship. 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.