If you struggle with "Market Structures," flipping through ten years of papers just for that topic accelerates your mastery far quicker than doing full mock exams.
Economics has its own specific vocabulary. Master the language to master the subject. One effective technique is to create flashcards for all the key terms in the syllabus. For each term (e.g., Opportunity Cost, Elasticity of Demand, GDP), write the definition on one side and an HKCEE-style question that uses the term on the other. By revisiting these cards, you'll ensure that you understand the precise meaning of the terms and can recognize how they might be used in an exam. hkcee econ past paper by topic
: Look for compiled solution guides which often categorize decades of HKCEE and HKDSE questions by topic. If you struggle with "Market Structures," flipping through