This Guide supports study and revision for IBDP Economics Paper 3 and tests your ability to apply mathematical principles to economic data. Coverage includes: two full, exam-style test papers; short questions to reinforce skills in arithmetic, fractions, and percentages; and questions on microeconomics, macroeconomics, and international trade. Key features: short questions to strengthen essential mathematical skills; exam-style test questions; detailed answers and explanations for all questions; and clearly presented diagrams and tables.