HL exam practice: YED sign
A regional health-care policy brief reports income rising by 9% while demand for a budget brand falls by 7%. Calculate YED and interpret the sign. Enter the answer and choose the interpretation that best matches the HL economic evidence.
AI writing feedback
How would you answer this question in your own words? The AI will analyse your response and give feedback on reasoning, evidence, and expression.
Worked practice: economic evidence and answer
Identify the economic evidence first, then state the result and interpretation.