Paper 3 question on measuring national income, inflation, YED and positive externalities
IB Economics Paper 3 includes two compulsory questions. This is a sample Paper 3 question. The time allowed for Paper 3 is 105 minutes, so students should spend 52.5 minutes on each question. This Paper 3 style question is on measuring economic activity, measuring inflation, income elasticity of demand and policies to increase the consumption of goods with positive externalities. Question paper Markscheme
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