A world-renowned economist was left stunned when he realized that President Donald Trump used his research to leverage his lofty worldwide tariffs – and claimed the administration grossly overcalculated how much each country owes.
University of Chicago Economics Professor Brett Neiman, a Biden-era Treasury official, said he was confused when the president held up his sign showing the amount of tariffs he would impose on 60 countries last Wednesday in what Trump dubbed Liberation Day.
‘My first question, when the White House unveiled its tariff regime was: How on Earth did they calculate such huge rates?’ he wrote in an op-ed for the New York Times.
Neiman – who has prestigious degrees from Harvard, Oxford, and UPenn – had his question answered the next day, when he realized that the ordeal was ‘personal.’
‘The Office of the US Trade Representative released its methodology and cited an academic paper produced by four economists, including me, seemingly in support of their numbers,’ he said.
‘But they got it wrong. Very wrong.’
Trump’s 10 percent ‘baseline’ tariff began Saturday, hitting all US imports except goods from Mexico and Canada. Further tariffs on goods from 57 trading partners, including the European Union and China, are set to go into effect on Wednesday.
The tariffs have triggered market meltdowns across the globe – sparking calls from his billionaire allies, including Elon Musk and Bill Ackman, to rethink the strategy.
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University of Chicago Economics Professor Brett Neiman was left stunned when he learned the Trump administration invoked his research to leverage his lofty worldwide tariffs
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He wrote that he was confused when the president held up his sign showing the amount of tariffs he would impose on 60 countries last Wednesday in what Trump dubbed Liberation Day
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Neiman explained that the Trump administration erroneously added a 25 percent rate to the formula Neiman and his colleagues had created – meaning that the tariff rates Trump imposed should all be four times less.
‘Where does 25 percent come from?’ Neiman asked, rhetorically. ‘Is it related to our work? I don’t know.’
‘Our findings suggest the calculated tariffs should be dramatically smaller – perhaps one-fourth as large.’
Neiman also hit out at the president for leveraging the ‘reciprocal tariffs’ in an effort to end trade deficits with the country’s major trading partners.
‘Is this a reasonable goal? It is not,’ he declared in his op-ed, arguing that trade balances are unavoidable and natural.
‘Americans spend more on clothing made in Sri Lanka than Sri Lankans spend on American pharmaceuticals and gas turbines. So what?’ he explained.
‘Not every country has similar natural resources or development levels,’ Neiman continued. ‘The deficit numbers don’t suggest, let alone prove, unfair competition.’
The economist also quoted Nobel laureate Robert Solow to explain his reasoning. Solow had once said, ‘I have a chronic deficit with my barber, who doesn’t buy a darned thing from me.’
‘Mr. Solow also surely ran a chronic surplus with his students and these imbalances reveal nothing about trade barriers in haircare or higher education, nor would they speak to his financial health.’
Neiman concluded by saying Trump’s tariffs ‘have enormous implications for workers, firms, consumers and stock markets around the globe’ and warned that they will ‘bring average tariff rates to their highest level in 100 years.
‘And despite being billed as a “do unto others” trade policy, they are not calculated in line with the Bible’s golden rule,’ the economist noted, saying foreign tariffs on American goods are nowhere near the levels Trump is pushing.
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Neiman claimed the Trump administration erroneously added a 25 percent rate into its calculations – meaning that all of the tariffs imposed on countries across the world are four times higher than they should be
He said by saying he wants Trump’s tariffs policy and methodology to be scrapped entirely.
Barring that, he said, ‘the administration should divide its results by four.’
On Monday, European stocks suffered their worst one-day fall since the start of the COVID pandemic and Japan’s benchmark Nikkei 225 index closed nearly 8 percent lower than on Friday, while the broader Topix finished down 7.7 percent.
Economists across the world now worry about a global economic downturn, with betting markets now showing a 62 percent chance that the U.S. will plunge into a recession this year.
The odds of such an economic drop spiked when Trump announced the tariffs last Wednesday – when the odds of a recession went from 39 percent to 49 percent, according to Polymarket.
And on Sunday the chances reached a high of 66 percent, showing a whopping two in three chances that a recession is nearing.
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Economists across the world now worry of a global economic downturn
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A trader works on the floor of the New York Stock Exchange at the opening bell in New York City on Monday
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The S&P 500 closed more than 12 percent lower than it had last month
Many world leaders have now come to the negotiating table, with European Union officials announcing Monday that they have proposed a ‘zero-zero’ tariff deal in which neither the United States nor the Eurozone would leverage the fines on industrial goods.
Under the European Union’s deal, cars and other goods – including chemicals, pharmaceuticals, rubber and plastic machinery – would not face tariffs in the United States or in any of the Eurozone countries, according to Politico.
The idea had been backed by DOGE Chief Elon Musk, who told a political rally last week that he hopes to see a ‘zero tariff situation’ between the US and Europe to create a free trade zone.
Shark Tank star Kevin O’Leary pushed the president to take the deal – which he called an ‘off-ramp.’
He claimed it would be a win for the United States as the Eurozone charges a tariff of 10 percent on imported American vehicles – largely preventing them from entering the European markets.
At the same time, Volkswagen announced on Monday that Audi is holding its cars at US ports – preventing them from entering the US market.
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Trump met with Israeli Prime Minister Benjamin Netanyahu amid the economic turmoil on Monday
Timelapse captures huge stock market slump day after Trump tariffs
Yet Trump has remained firm, telling reporters that he is ‘not looking at’ pausing any of the reciprocal tariffs despite a now-debunked report he was considering a 90-day halt.
‘We have been ripped off and taken advantage of by many countries over the years and can’t do it anymore. We just can’t do it anymore. We can’t be the stupid people anymore,’ Trump told reporters.
He also argued that the European Union’s offer was not enough to get him to reverse his 20 percent tariffs on the 27-state bloc.
‘The EU has been very tough over the years,’ he said. ‘It was formed to really do damage to the United States in trade.
‘They don’t take our cars – like Japan in that sense,’ the president continued. ‘They don’t take our agricultural product; they don’t take anything practically.’
Trump also threatened to increase the tariffs on China – after Beijing retaliated against the US president with an import levy of 34 percent.
Trump vowed to hit the Chinese with another 50 percent unless they remove theirs by Tuesday.
‘If China does not withdraw its 34% increase above their already long term trading abuses by tomorrow, April 8th, 2025, the United States will impose ADDITIONAL Tariffs on China of 50 percent effective April 9th,’ Trump wrote on his Truth Social account.
The president also warned that negotiations and trade talks with China would be canceled if they refused to back down.
‘Additionally, all talks with China concerning their requested meetings with us will be terminated!’ he wrote.
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Trump allies Bill Ackman and JPMorgan Chase Jamie Dimon have spoken out against the tariffs
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MAGA ally Ben Shapiro has stunningly turned on President Trump and urged him to listen to Elon Musk ‘s criticism of his tariff policy
But Trump’s strong stance has apparently angered some of his allies, including Musk and billionaire Bill Ackman.
Ben Shapiro, a long-time supporter of the president, also smashed the illusion that tariffs are a good business deal for Americans to smithereens, with a startling insight on Monday: ‘Musk is right. Musk happens to be 100 percent right about this.’
Jamie Dimon, the CEO of JPMorgan Chase, similarly used his shareholder letter to warn that Trump’s levies would result in ‘inflationary outcome’ both on imports and prices in the United States.
‘The recent tariffs will likely increase inflation and are causing many to consider a greater probability of a recession,’ he told shareholders, according to the Washington Post.
Some Republican senators have also voiced their support for a measure that would require the president to inform Congress of upcoming tariffs within 48 hours of them being implemented.
It would also mandate that the tariffs need approval from Congress within 60 days of them being imposed and that Congress could end any tariff at any time.
Meanwhile, a libertarian group funded by Leonardo Leo and Charles Koch has launched a legal challenge against Trump’s tariffs, The Guardian reports.
The New Civil Liberties alliance filed the suit to prevent Trump from imposing tariffs on imports from China, arguing that doing so under the International Emergency Economic Powers Act is unlawful.
It was filed on behalf of Simplified, a Florida-based home goods company whose business is heavily reliant on imports from China.
The suit argues that the president exceeded his powers in invoking the IEEPA to justify its tariffs.
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Trump has remained firm, telling reporters that he is ‘not looking at’ pausing any of the reciprocal tariffs despite a now-debunked report he was considering a 90-day halt
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Trump posted to Truth Social Monday morning telling advisers and supporters: ‘Don’t be a PANICAN (A new party based on Weak and Stupid people!)’
‘This statute authorizes specific emergency actions like imposing sanctions or freezing assets to protect the United States from foreign threats,’ the group said.
‘It does not authorize the president to impose tariffs. In its nearly 50-year history, no other president – including President Trump in her first term – has even tried to use the IEEPA to impose tariffs.’
The coalition also argues that the power to impose tariffs lies not with the president, but with Congress – and warns that the tariffs Trump has imposed could put him at risk of a Supreme Court case.
In an effort to hold his MAGA coalition together, Trump urged supporters on Monday not to ‘be a PANICAN.’
He rolled out the new term and described it as a ‘new party based on Weak and Stupid people!’
He then, again, doubled down on his tariff policy.
‘The United States has a chance to do something that should have been done DECADES AGO,’ the president posted to Truth Social. ‘Don’t be Weak! Don’t be Stupid! Don’t be a PANICAN … Be Strong, Courageous, and Patient, and GREATNESS will be a result!’