IB Internal Assessment (IA) Economics Higher level (HL) 2026 May Solution & Worked Answer

Evaluating Government Interventions in Alcohol Pricing, Nigerian Macroeconomic Stability, and Philippine Rice Import Quotas

Solution Overview

This collection of Internal Assessments examines three core economic challenges: the use of minimum unit pricing (MUP) to address alcohol-related negative externalities in England, the management of cost-push inflation and growth in Nigeria, and the impact of import quotas on rice market efficiency in the Philippines.

Using a combination of AD-AS models, externality diagrams, and trade analysis, the author evaluates the trade-offs between short-term stability and long-term efficiency. The analysis is strengthened by a detailed exploration of price elasticity of demand (PED) and a comprehensive evaluation of stakeholder impacts, specifically regarding regressive pricing and deadweight loss.

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