Analyse positive externality
A vaccination programme in a school IB Economics classroom diagram creates benefits for people beyond the vaccinated individual. Explain why the free market may underconsume it. Enter the answer and choose the interpretation that best matches the economic evidence.
Worked practice: economic evidence and answer
Identify the economic evidence first, then state the result and interpretation.
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.