Providing a brief summary or roadmap of your answer in Economics Optional essays is highly advisable. It not only helps the reader to understand the structure and flow of your response but also enhances the overall clarity and coherence of your essay. Here are the reasons why you should include a summary or roadmap in your answer:

1. Introduction:
- Briefly introduce the topic and provide a context for your essay.
- State your thesis statement or main argument.

2. Body paragraphs:
- Divide your answer into logical sections or paragraphs.
- Use subheadings to clearly indicate the focus of each section.
- Summarize the main points or arguments you will be discussing in each paragraph.

3. Key Points:
- Identify the key points or arguments that support your thesis statement.
- Present these key points in a clear and concise manner.
- Use bullet points or numbered lists to highlight these key points.

4. Evidence and Examples:
- Support your arguments with relevant evidence and examples.
- Mention specific studies, data, or real-life situations to strengthen your arguments.
- Provide a brief summary or explanation of each piece of evidence or example.

5. Conclusion:
- Summarize the main points discussed in your essay.
- Restate your thesis statement and provide a concluding statement or thought.

By incorporating a summary or roadmap in your answer, you make it easier for the reader to follow your argument and understand the structure of your essay. It also helps you to stay focused and organized while writing, ensuring that you cover all the necessary points.

Remember to keep the summary or roadmap concise and to the point. Use headings and key pointers to visually separate and highlight the different sections of your answer. This will make your essay more visually appealing and easier to navigate for the reader.

In conclusion, providing a brief summary or roadmap of your answer in Economics Optional essays is highly recommended. It improves the clarity, coherence, and organization of your essay, making it easier for the reader to follow your argument.