Understanding economics is invaluable for answering UPSC questions as it provides insights into fundamental issues affecting governance and public policy. Grasping basic economic principles helps candidates analyze various societal problems, such as poverty, inflation, and employment, and equips them to discuss potential solutions and impacts effectively. Knowledge of economics also aids in understanding government budgets, economic reforms, and their implications for development. Additionally, economics is often intertwined with other subjects in the syllabus, so a solid foundation can enhance a candidate's analytical skills across multiple disciplines in the UPSC exam.