IB Economics Paper 1: 15-Mark Answer Structure (Full Guide)

If you need a quick refresher on core theory, see our IB Economics notes.

Why students stall at 5-7/15 (even with good theory)

Most IB Economics students know the theory. But in Paper 1, they lose marks because they do not structure their answer, do not link to the question, and do not evaluate properly.

The result is predictable: 5-7 marks instead of 12-15.

Memorise this 6-step 15-mark framework

1. Define (1-2 lines): define the key concept in the question with a sharp, relevant definition.
2. Diagram (2-3 marks): draw the correct diagram and label axes, curves, shifts, and equilibria.
3. Explain (core analysis): walk through cause to shift to result.
4. Apply to the question: use the case context, country, market, or scenario from the prompt.
5. Evaluate: cover pros and cons, short run vs long run, stakeholders, and assumptions.
6. Conclusion: make a clear judgement with "depends on" or "most effective if" reasoning.

5/15 vs 13/15: what examiners actually see

A weak answer has no structure, no useful diagram, theory dumping, and little or no evaluation.

A strong answer has clear paragraph logic, a diagram used properly, applied context, and balanced justified evaluation.

Not sure how to evaluate properly? Read our IB command terms guide.

The fastest score jump before exams

You do not need more theory first. You need structure plus exam technique.

Try the Paper 1 crash course.