3 Feb 2025

What actually is a tariff and how does it work?

From Nights, 10:18 pm on 3 February 2025

US President Donald Trump has introduced 25 percent tariffs on Mexico and Canada, and a 10 percent tariff on China - delivering on one of his key election promises.

A day after signing the order President Trump acknowledged Americans may find themselves paying the costs of his new measure.

But what actually how do tariffs work and why are they so controversial? 

Emile Donovan speaks to former diplomat and Executive Director of the New Zealand International Business Forum Stephen Jacobi.

US President Donald Trump speaks to journalists in the Oval Office of the White House in Washington, DC, on January 30, 2025.

US President Donald Trump speaks to journalists in the Oval Office of the White House in Washington, DC, on 30 January, 2025. Photo: AFP