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Paper 3 question on positive externalities, income elasticity of demand, the Engel curve and common-pool resources

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 positive externalities, income elasticity of demand, the Engel curve and common-pool resources Question paper MarkschemeNueva Pescanova Group (NPG) is expanding its presence in Peru with the construction...

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