President Trump’s 2026 tariffs are a useful real-world example of protectionism. This article explains what tariffs are, why governments use them, and how they link to A-Level Economics topics such as inflation, trade deficits, elasticity and government intervention.

Negative media coverage about sugary baby food pouches caused branded baby food sales to fall sharply. This is a clear real-world example of demand shifting left, with useful links to substitutes, information failure, elasticity and government intervention.