Yes, attempting practice questions based on case studies can be highly beneficial to reinforce learning in Economics Optional.

1. Application of theoretical knowledge:
- Case studies provide an opportunity to apply the theoretical knowledge gained in Economics Optional to real-world scenarios.
- By analyzing and solving case studies, you can understand how economic concepts, principles, and models are applied in practical situations.
- This application helps in deepening your understanding of the subject and developing a practical perspective.

2. Critical thinking and problem-solving:
- Case studies often present complex economic problems or challenges that require critical thinking and problem-solving skills.
- By attempting practice questions based on case studies, you can enhance your ability to analyze, evaluate, and propose solutions to economic issues.
- This process helps in developing your critical thinking skills and preparing you for similar challenges in the future.

3. Integration of knowledge:
- Economics is a multidisciplinary subject that draws upon various fields such as mathematics, statistics, and sociology.
- Case studies often require the integration of knowledge from different disciplines to understand and solve economic problems.
- By attempting practice questions based on case studies, you can improve your ability to integrate knowledge from different sources and develop a holistic understanding of economics.

4. Real-world relevance:
- Case studies reflect real-world economic scenarios, including market conditions, policy decisions, and economic challenges faced by individuals, businesses, or governments.
- By engaging with case studies, you can gain insights into the practical implications of economic theories and policies.
- This real-world relevance enhances your understanding of economic concepts and their impact on society, making your learning more meaningful and applicable.

5. Exam preparation:
- Economics Optional exams often include case study-based questions that test the application of knowledge, critical thinking, and problem-solving skills.
- By practicing with case studies, you can familiarize yourself with the exam format and develop the necessary skills to effectively tackle such questions.
- This preparation increases your chances of performing well in the exams and achieving a higher score.

In conclusion, attempting practice questions based on case studies can significantly reinforce your learning in Economics Optional. It helps in applying theoretical knowledge, developing critical thinking and problem-solving skills, integrating knowledge from different disciplines, understanding real-world relevance, and preparing for exams. By engaging with case studies, you can enhance your understanding of economics and become better equipped to analyze and solve economic problems.