US President Donald Trump has rattled economies and markets with his promise of imposing punitive tariffs on the nation’s largest trade partners. So far he’s implemented 10% levies on China; delayed plans to hit Mexico and Canada with a 25% duty tax; and indicated that he’s coming for the European Union next. Yet beyond all that noise, tariffs have on-the-ground implications. Here’s how they work — from who actually pays to how the revenue is collected.
