IB Economics

IB Economics Paper 1 Guide

October 2026
8 min read
IB Economics Paper 1 Guide

IB Economics Paper 1 is an extended-response paper that tests your ability to apply economic theory to a stimulus and to evaluate an economic argument. This guide explains how to read the question, use diagrams well, build a strong chain of analysis, evaluate effectively, and prepare in a focused way. It applies to the current IB Economics course; where Higher Level and Standard Level differ, the distinction is noted.

A note on the current course. The structure, number of questions and mark allocations of Paper 1 differ between HL and SL. Confirm the exact format, duration and mark scheme for your specific course and level against the official IB subject brief rather than relying on general summaries.

What Is IB Economics Paper 1?

Paper 1 is an extended-response paper built around a stimulus. It tests whether you can use economic concepts to analyse a situation and reach a reasoned evaluation, not whether you can reproduce definitions. The paper rewards applied reasoning: identifying the relevant theory, using diagrams, building a chain of analysis, and judging the strength of an argument. HL and SL differ in the demands of the questions and the depth expected; confirm the specifics for your level against the official subject brief.

Understand the Question Before You Answer

Most lost marks in Paper 1 come from answering the question students expected rather than the one on the page. Before you write:

  • Command terms. Identify what the command term requires. "Explain" asks for reasons; "Evaluate" asks for a judgement with reasons and limitations. Matching your answer to the command term is part of exam technique.
  • Exactly what is being asked. State the precise claim or situation the question is about. Do not drift into a general essay on the topic.
  • The relevant economic concept. Decide which concepts and diagrams the question actually calls for, rather than the ones you know best.
  • An appropriate diagram. Choose the diagram that represents the relationship in the question, and plan how you will use it in the written answer.

How to Use Diagrams in Paper 1

Diagrams are part of the analysis, not decoration:

  • Correct diagram choice. Pick the diagram that represents the economic relationship in the question. The wrong diagram is worse than none.
  • Labels. Label axes, curves, equilibria and any shifts precisely. Vague labels cost marks.
  • Shifts. If a curve shifts, say why and in which direction, and what the new equilibrium implies.
  • Equilibrium. Show the initial and new equilibrium where relevant, and explain the change.
  • Integrating the diagram into the written explanation. Refer to the diagram in your writing and explain what it shows. A diagram that sits beside the text, unconnected, earns little.

Build a Strong Chain of Analysis

Strong analysis moves step by step rather than jumping from a definition to a conclusion. A workable chain runs: concept, mechanism, consequence, real-world implication.

  • Concept. State the relevant economic concept clearly.
  • Mechanism. Explain how the concept works in this situation, using a diagram where it helps.
  • Consequence. Show what follows from the mechanism, the change in equilibrium, the effect on a variable.
  • Real-world implication. Connect the consequence to the situation in the question, using the stimulus where relevant.

Each step should be explicit. Skipping the mechanism is the most common reason an answer reads as a definition dump rather than analysis. The chain is what turns a list of facts into an argument.

How to Evaluate an Economic Argument

Evaluation is the judgement layer on top of analysis. A strong evaluation considers:

  • Conditions. Under what conditions does the analysis hold? What would have to be true for the conclusion to change?
  • Time horizon. Do the effects differ in the short run and the long run?
  • Stakeholders. Who gains and who loses, and how significant are those effects?
  • Magnitude. How large is the effect likely to be, and how does that compare with other factors?
  • Assumptions. What does the analysis assume, and are those assumptions reasonable here?
  • Trade-offs. What is given up by pursuing this outcome, and are there competing objectives?
  • Limitations. What does the evidence or the theory not capture, and how does that affect the conclusion?

Generic "pros and cons" earns little. Strong evaluation is specific to the question: it judges the argument in front of you, not the topic in general.

Common Paper 1 Mistakes

  • Definition dump. Opening with definitions and never moving into analysis.
  • Irrelevant diagram. A diagram included because it is known, not because it fits.
  • Diagram without explanation. A diagram with no written connection to the argument.
  • Description rather than analysis. Saying what happens without explaining why.
  • Evaluation that is generic. A list of pros and cons with no link to the question.
  • Not answering the exact command term. Describing when asked to evaluate, or evaluating when asked to explain.
  • Weak real-world application. Ignoring the stimulus or failing to connect theory to the situation.
  • Poor timing. Spending too long on one part and running out of time for the rest.

How to Prepare for Paper 1

A practical preparation sequence:

  1. Concepts. Make sure you understand the underlying theory and when each concept applies, not just the definitions.
  2. Diagrams. Practise drawing the key diagrams accurately and labelling them, until you can produce them quickly under pressure.
  3. Question practice. Practise extended-response questions, focusing on building the chain of analysis and matching the command term.
  4. Error review. After each question, mark it strictly and record why marks were lost: knowledge, analysis, evaluation, command term, or timing.
  5. Timed practice. Once your understanding is solid, practise full questions under timed conditions to build pacing and stamina.

Use official past papers and the specimen paper for your course, because they match the style and standard of the exam.

Paper 1 Revision Checklist

  • I have confirmed the format, duration and mark allocations for my course and level from the official subject brief.
  • I know what each command term requires and answer accordingly.
  • I can draw and label the key diagrams accurately and quickly.
  • I can build a chain of analysis: concept, mechanism, consequence, real-world implication.
  • I can evaluate using conditions, time horizon, stakeholders, magnitude, assumptions, trade-offs and limitations.
  • I connect diagrams to the written explanation rather than leaving them unexplained.
  • I use the stimulus where relevant rather than answering from memory alone.
  • I have completed several full questions under timed conditions.
  • I have reviewed every error and recorded the cause.
  • I have a timing plan and know when to move on.

How HK Study Hub Can Help

Tutoring helps most when it targets your specific gaps rather than repeating the course generically. A tutor can diagnose weak topics, sharpen your chains of analysis, improve diagram use, strengthen evaluation, and build exam technique and timing. If you would like that kind of focused support, see our IB Economics tutoring in Hong Kong.

Practice Between Lessons With HK Study Hub AI

We're building an AI-powered practice platform to help students continue learning between tutoring sessions with targeted questions, feedback and personalized practice. Explore AI Tutor (currently under development).

IB Economics Paper 1 FAQs

How does Paper 1 differ between HL and SL? The structure and demands differ between levels. Confirm the specifics for your level against the official IB subject brief.

Do I have to use diagrams? Diagrams are central to economic analysis. Use the diagram that fits the question, label it accurately, and connect it to your written explanation.

How do I evaluate well? Judge the argument specifically: under what conditions it holds, short vs long run, stakeholders, magnitude, assumptions, trade-offs and limitations. Avoid generic pros and cons.

How should I manage timing? Practise under timed conditions and decide in advance roughly how long you will spend on each part. Do not let one part consume the time for the others.

Are past papers useful? Yes. Official past papers and the specimen paper are the most realistic preparation because they match the style and standard of your course.

Can tutoring help with Paper 1? Yes. Targeted tutoring can improve analysis, diagrams, evaluation and timing. See our IB Economics tutoring in Hong Kong.

For more, see our IB Economics IA guide, browse the IB Economics resource hub, all IB resources, or IB tutoring in Hong Kong.