Complex formulas and stacked duty rates—how companies calculate what to pay.

My first question, when the White House unveiled its tariff regime, was, “How on earth did they calculate such huge rates?” ...

Billionaires who backed Trump in the election are freaking out over his tariffs, but so far he isn't following their advice.

For countries that don't face a flat 10% tariff, the Trump administration's recent levies follow a basic formula—and one that ...

Brent Neiman, a University of Chicago economics professor, predicted in a New York Times op-ed that President Trump’s ...

Remote territories like Heard Island and McDonald Islands, home to penguins but no humans, weren't spared from President Trump's sweeping tariff list last week.

The tariff announcement from the White House that led to the biggest weekly drop in the stock market since COVID may have ...

Yale English professor James Surowiecki was the first to bring media attention to the flawed methodology with which the Trump ...

Economists, stock market analysts and even Elon Musk are criticizing the formula used to calculate President Trump's ...

Journalists and economists determined the numbers are based off trade deficits divided by exports. The U.S. trade representative confirmed that this calculation, rather than the tariffs themselves, ...

Economists say Trump's 'reciprocal' tariffs appear to be 'some other made-up measure based on a formulaic trade deficit ...