The person behind the mysterious tariffs mathematics has admitted that the calculations were badly off and used incorrectly.

The Kakeya set—named for its discoverer Sōichi Kakeya—was complicated by a subsequent mathematician named Abram Samoilovitch ...

Brent Neiman told the I-Team Trump's tariff policy is based, in part, on academic work he co-wrote with three renowned ...

An economist Donald Trump cited in calculations for his extra-high global tariffs says that the president should get an F- in math.

Economists at the conservative American Enterprise Institute recently uncovered what they say is an error in the administration's tariff math.

The short answer is no. The White House's own fact sheet (new window ... Andrew Chang breaks down the formula used to determine what each country owes and explains why the math is misleading. Images ...