How to Write A-Level Economics Essays: Official Definitions of Analysis and Evaluation, and Structuring a 20-Mark Essay

Essay questions in A-Level Economics are a common bottleneck for many students in China: they know the concepts and can draw the diagrams, but their essays often end up in the middle grade band. The reason is often a misunderstanding of what examiners are looking for: essay questions test not "how much you know," but "how complete your chain of analysis is and how thorough your evaluation is." We introduced the paper structures of both exam boards in How A-Level Economics is Tested. This article focuses specifically on essay questions: where the marks are, how the exam boards officially define "analysis" and "evaluation," what the command words mean, and how to structure a 20-mark essay. This is based on the official syllabuses for Cambridge 9708 and Edexcel IAL Economics.

I. Where Essay Questions Are and How Much They Are Worth

For Cambridge Papers 2 and 4, 40 out of 60 marks are for essays; for the two A2 units in Edexcel, 40 out of 80 marks are for essays. For both exam boards, essays in the second year carry more weight and are more open-ended: Cambridge Paper 4 no longer has sub-questions, and Edexcel A2 requires two essays.

II. How the Exam Boards Officially Define "Knowledge," "Analysis," and "Evaluation"

The three assessment objectives in the Cambridge syllabus:

• AO1 Knowledge and Understanding: Master concepts, formulas, and definitions; provide appropriate explanations and examples; apply knowledge to economic information in textual, numerical, and graphical forms;
• AO2 Analysis: Use economic concepts and theories to examine economic issues and relationships; select, interpret, and organize economic information; identify patterns, relationships, and causality; explain the effects and consequences of changes in economic variables;
• AO3 Evaluation: Recognize the assumptions and limitations of economic information and models; assess the strengths and weaknesses of arguments; recognize that some economic decisions involve priorities and value judgments; provide reasoned judgments and conclusions based on arguments.

In terms of weighting, the overall A Level is 35% Knowledge, 40% Analysis, and 25% Evaluation; but in Papers 2 and 4, Evaluation accounts for 30% (only 13% in the multiple-choice paper). This means that evaluation carries the highest weight in the papers containing essay questions. The syllabus also specifically advises students to familiarize themselves with the levels-based mark scheme for essays and encourages the use of clearly labeled diagrams to support answers where appropriate.

Edexcel has four assessment objectives: AO1 Knowledge, AO2 Application, AO3 Analysis, and AO4 Evaluation. In the second year (A2), the weightings are 18.8%, 22.5%, 28.8%, and 30%, with Evaluation being the highest; in the first year (IAS), Evaluation accounts for 20%.

III. Command Words: Understanding What the Question is Asking

Edexcel: Command Words Are Directly Linked to Marks

The Edexcel syllabus command word table specifies the marks and requirements for each command word. Those relevant to essay questions are:

Comparing these shows that a 20-mark essay must include a judgment; whereas writing evaluation for a 6-mark Analyse question won't earn extra marks and just wastes time.

Cambridge: Meanings of Command Words

Among the command words listed in the Cambridge syllabus, those commonly seen in essay questions include: Assess (make a reasoned judgment), Discuss (explore in a structured and in-depth manner), Evaluate (judge the quality, significance, extent, or value of something), Consider (examine and respond to the given information), Justify (support a point with evidence or reasoning), Analyse (examine in detail, explaining meanings, components, and relationships), and Explain (state reasons or relationships and support them with relevant evidence).

IV. How to Structure a 20-Mark Essay

The following framework is based on practical experience, mapped to the official assessment objectives:

1. Introduction: Define key terms and identify the issue (AO1). In one or two sentences. For example, if the question asks about a "maximum price," first define it and explain that it is only effective when set below the equilibrium price;
2. Analysis: Write a complete chain of reasoning (AO2). Develop each point step by step: Cause → Mechanism → Effect. For example, "Maximum price below equilibrium → Quantity demanded rises, quantity supplied falls → Shortage → Queues or black market"; include a fully labeled diagram (axes, curve names, equilibrium point, direction of shifts) and refer to points on the diagram in your text;
3. Cover at least two sides: arguments for and against, or impacts on different groups;
4. Evaluation: Write according to the AO3 definition. You can approach this from several angles:
   • Assumptions and limitations: What does the model assume? For example, the elasticity of demand and supply, or whether market information is perfect;
   • Depends on: Under what conditions does the conclusion hold? For example, the magnitude of elasticity, how far the maximum price is from the equilibrium, or whether the government can enforce it effectively;
   • Short run vs. long run: Are the short-term and long-term effects different;
   • Priorities and value judgments: Which takes priority, equity or efficiency, and how different stakeholders view it;
   • Weighing strengths and weaknesses: Which argument is more persuasive and why;
5. Conclusion: Provide a judgment (AO3). Don't just write "there are pros and cons." Answer the question: under what conditions it is true, under what conditions it is not, which side you lean towards overall, and why.

Should evaluation be spread throughout the essay or concentrated at the end? Both approaches are common. In practice, following each analysis paragraph with a targeted evaluation sentence, and then making an overall judgment at the end, makes the evaluation more "reasoned" rather than just a vague statement at the end.

V. How to Allocate Time for the Two Sub-questions in Cambridge Paper 2

The Cambridge syllabus specifies that essay questions in Paper 2 are divided into two sub-questions, totaling 20 marks. The marks and focus of the two sub-questions depend on the specific paper for that year. In practice, a common format is for the first sub-question to focus on explanation and analysis, while the second requires evaluation. When answering, first check the command words and marks for each sub-question: for analysis sub-questions, ensure your chain of reasoning is fully developed; for evaluation sub-questions, provide a judgment following steps 4 and 5 above.

VI. How to Allocate Your Time

Here are some practical recommendations:

• Cambridge Papers 2 and 4: 2 hours, 60 marks. The data response question and the two essays are each worth 20 marks. Proportionally, allocate about 40 minutes to each section. Spend a few minutes outlining before writing the essay: main points, diagrams, evaluation angles, and conclusion;
• Edexcel Units 3 and 4: 2 hours, 80 marks. The two essays are worth 40 marks in total, so allocate about half the time to them;
• Don't run out of time early: leaving the last essay unfinished results in the biggest loss of marks.

VII. Common Reasons for Losing Marks

Here is a summary based on practical experience:

• Listing points without reasoning: writing five points, each just one sentence, with no chain of reasoning. Edexcel's requirements are very clear: a 20-mark question requires a "multi-step chain of reasoning," focusing on depth rather than breadth;
• Diagrams disconnected from the text: drawing a diagram but not explaining it in the text, or having incomplete labels on the diagram;
• Vague evaluation: writing "this policy has pros and cons" or "it depends on many factors," without specifying what it depends on or how;
• Not answering the question: if the question asks "is this the best approach," but the conclusion doesn't compare it with other approaches;
• Going off-topic: inserting memorized paragraphs that are irrelevant to the specific context of the question;
• Lack of real-world examples: Cambridge AO1 requires appropriate examples, and several Edexcel command words require linking to the context.

VIII. How to Practice

1. Get the mark schemes: the Cambridge syllabus requires students to be familiar with the levels-based mark scheme. Past paper mark schemes are usually obtained through schools. Ask your teacher for them and use them to self-assess after completing a practice question;
2. Practice paragraphs before full essays: practice writing "one point + chain of reasoning + diagram + one evaluation sentence" individually. Once you are comfortable, move on to writing full essays;
3. Build a checklist of evaluation angles: using the five angles from Section IV above, write down usable evaluation points under each frequently tested topic;
4. Build a case study bank: organize real-world policy and market cases by topic. One or two in an essay is enough;
5. Practice under timed conditions: in the month before the exam, write at least two timed essays every week.

Final Thoughts

High scores in A-Level Economics essays come down to three things: a complete chain of reasoning, evaluation that truly addresses the question, and a reasoned conclusion. Using the official definitions of "analysis" and "evaluation" as a checklist and reviewing each essay against it is more effective than just memorizing a few more concepts. If you need marking and tutoring for your A-Level Economics essays, feel free to speak with our teachers.

Verification note: This article was verified in September 2026: The structure of Cambridge 9708 Papers 2 and 4, whether essay questions are divided into sub-questions, the definitions and weightings of the assessment objectives (including the weightings for each paper), the advice on familiarizing with the levels-based mark scheme and using diagrams, and the meanings of the command words are all from Cambridge International's "Economics 9708 syllabus for 2026, 2027 and 2028"; the structure, duration, and marks for each Edexcel unit, the definitions and weightings of the four assessment objectives, and the command words with their corresponding marks and requirements are from the Pearson IAL Economics syllabus (2nd edition, the current version on the official website). Cambridge past paper mark schemes are obtained through schools and are not cited in this article. The essay framework, evaluation angles, time allocation, common reasons for losing marks, and practice methods are our practical recommendations.

References:

• Cambridge International: AS & A Level Economics (9708)
• Pearson: International Advanced Level Economics