When President Donald Trump introduced his controversial tariffs on nearly each buying and selling companion on the planet, he repeatedly known as them “reciprocal” — a response, he mentioned, to these nations that had hit the U.S. with tariffs and harm the American economic system.
However Trump’s declare is deceptive not solely as a result of a few of the nations hit with tariffs have not levied any in opposition to the U.S., but in addition as a result of the mathematics apparently utilized by the administration to come back up the tariffs would not maintain up, in accordance with a number of financial specialists.
The White Home’s record of tariffs issued in opposition to every location consists of completely different tariff charges. In asserting the tariffs on the Rose Backyard on Wednesday, Trump claimed the numbers have been calculated based mostly on “the mixed price of all their tariffs, non-monetary boundaries and different types of dishonest.” Trump added that he was being “sort,” and divided that quantity in half and known as it a “low cost.”

President Donald Trump delivers remarks on tariffs within the Rose Backyard on the White Home in Washington, D.C., April 2, 2025.
Carlos Barria/Reuters
The calculations for nearly all the tariffs was decided by dividing commerce deficit of every nation with the worth of its imports, in accordance with financial specialists’ evaluation. That quantity was then divided in half for Trump’s “low cost” for the ultimate tariff share, specialists mentioned.
“Earlier than yesterday, 99% of commerce economists had by no means seen a formulation like this earlier than,” Oren Ziv, an assistant professor of economics at Michigan State College, advised ABC Information Friday.
A number of financial specialists and journalists blasted the formulation quickly after the speech, together with James Surowiecki, a monetary information journalist and writer, who defined it in a publish on X.
“So now we have a $17.9 billion commerce deficit with Indonesia. Its exports to us are $28 billion. $17.9/$28 = 64%, which Trump claims is the tariff price Indonesia prices us. What extraordinary nonsense that is,” he mentioned in his publish.
The White Home later put out an evidence of its calculations that mentioned it was utilizing the commerce deficit and import figures.
“This calculation assumes that persistent commerce deficits are resulting from a mix of tariff and non-tariff elements that forestall commerce from balancing. Tariffs work by way of direct reductions of imports,” the White Home mentioned in an announcement.

A container ship departs the Port of Newark for the Atlantic Ocean on April 03, 2025, in New York Metropolis.
Spencer Platt/Getty Photos
Nationwide Financial Council Director Kevin Hassett advised Fox Information on Thursday concerning the administration’s pondering behind their coverage.
“So what occurred was that the U.S. Commerce Consultant checked out the place the commerce deficits have been and adjusted the tariffs as a way to reply to the nationwide emergency that I believe all of us agree about,” he mentioned.
Ziv mentioned this logic doesn’t match with any trendy definition of commerce deficits.
“When economists research commerce deficiency, they do not discover any proof for this rationale,” he mentioned.
Ziv famous that commerce deficits are decided partly by monetary markets, not simply demand for imports and manufacturing.
Ziv mentioned the formulation isn’t very more likely to yield the outcomes that the administration is looking for.
“Since World Warfare II, most industrial international locations have adopted a constant algorithm of commerce insurance policies. Primarily, they discovered that commerce wars do not assist anybody,” he mentioned.