Introduction:
When preparing for the UPSC examination, choosing the right optional subject is crucial. Economics is one such subject that many aspirants opt for. However, when planning the preparation strategy, it is essential to consider whether aiming to complete the entire Economics Optional syllabus is feasible and beneficial.

Possible arguments for completing the entire syllabus:
1. Comprehensive knowledge: Completing the entire syllabus will provide a comprehensive understanding of the subject. It will ensure that no topic is left unexplored, thus enhancing the overall knowledge in economics.
2. Strong foundation: An extensive coverage of the syllabus will help in building a strong foundation in economics. This will be advantageous not only in the optional paper but also in the general studies papers, as the concepts from economics often overlap.
3. Flexibility in answering questions: By covering the entire syllabus, candidates will be able to answer a wide range of questions that can be asked in the examination. This flexibility can be beneficial in scoring higher marks.
4. Competitive advantage: Completing the entire syllabus will give aspirants an edge over others who might have left out certain topics. It demonstrates a higher level of dedication and commitment, which can impress the examiners and boost the chances of success.

Arguments against completing the entire syllabus:
1. Time constraints: The UPSC examination has a vast syllabus, and allocating too much time to the optional subject might leave less time for other important subjects. It is crucial to maintain a balance between all subjects to score well overall.
2. Depth over breadth: Instead of covering the entire syllabus superficially, focusing on selected topics and studying them in-depth can be more beneficial. It allows for a better understanding of the core concepts and their application in real-life scenarios.
3. Prioritization of topics: Certain topics in the syllabus carry more weightage and are more frequently asked in the exam. Prioritizing these topics and allocating more time to them can ensure a better grasp of the important areas and increase the chances of scoring well.
4. Revision and practice: Completing the entire syllabus leaves less time for revision and practice. Regular revision and solving previous years' question papers are crucial for performing well in the examination. Therefore, it is important to strike a balance between covering the syllabus and revising the learned concepts.

Conclusion:
While it is ideal to aim for completing the entire Economics Optional syllabus, it is important to consider the practicality of achieving it within the available time frame. Aspirants should assess their strengths, weaknesses, and the overall strategy for the examination. Prioritizing important topics, allocating time for revision and practice, and maintaining a balance between all subjects are key factors to consider while planning the preparation strategy.