Yes, you can definitely use relevant quotes from economic theorists in your Economics Optional answers. Incorporating quotes from renowned economists adds credibility to your arguments and demonstrates a deeper understanding of the subject matter. Here's a detailed explanation of why and how you can use quotes effectively in your answers:

1. Enhances your argument:
- Using quotes from economic theorists helps support and strengthen your arguments.
- Quoting experts adds weight to your claims and makes your answers more persuasive.
- It shows that you have studied the works of influential economists and can apply their ideas to real-world scenarios.

2. Demonstrates knowledge:
- Utilizing quotes from economic theorists showcases your in-depth understanding of the subject.
- It highlights your familiarity with different economic theories and concepts.
- By referencing renowned economists, you display a comprehensive grasp of the field.

3. Adds variety and depth:
- Incorporating quotes breaks the monotony of presenting only your own ideas.
- It adds variety to your answers and makes them more engaging to read.
- Quotes can offer different perspectives and provide a more comprehensive analysis of the topic.

4. How to use quotes effectively:
- Choose quotes that directly relate to the question or the specific point you are addressing.
- Ensure that the quote aligns with your argument and supports your stance.
- Introduce the quote with a brief explanation or context to provide clarity to the reader.
- After presenting the quote, analyze and explain its relevance to your argument.
- Connect the quote to real-world examples or empirical evidence to further strengthen your point.

In conclusion, incorporating relevant quotes from economic theorists in your Economics Optional answers can significantly enhance the quality and credibility of your responses. By doing so, you demonstrate a deeper understanding of the subject, provide a variety of perspectives, and make your answers more engaging. Remember to choose quotes that align with your arguments, provide context, and analyze their relevance for a comprehensive and effective answer.