Paper 1 part (b) top band guide
Accurate, relevant theory with clear, well-labelled diagrams A chain-of-reasoning (cause → mechanism → intermediate effect → final outcome). An up-to-date real‑world example(s) e.g. from your own country Balanced evaluation i.e. both strengths and weaknesses outlined or a consideration of both short and long term impacts in the case of an indirect tax or the effectiveness of supply v demand side policies. Conclusion...