Donald Trump, confronting perhaps the most ominous economic signs of his time in office, has unleashed what is by now a familiar response: lashing out at what he believes is a conspiracy of forces arrayed against him.

He has insisted that his handpicked Federal Reserve chairman, Jerome H Powell, is intentionally acting against him. He has said other countries, including allies, are working to hurt US economic interests. And he has accused the news media of trying to create a recession.

“The Fake News Media is doing everything they can to crash the economy because they think that will be bad for me and my re-election,” Mr Trump tweeted last week.

“The problem they have is that the economy is way too strong and we will soon be winning big on Trade, and everyone knows that, including China!”

Mr Trump has repeated the claims in private discussions with aides and allies, insisting that his critics are trying to take away what he sees as his calling card for re-election.

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Mr Trump has been agitated in discussions of the economy, and by the news media’s reporting of warnings of a possible recession. He has said forces that do not want him to win have been overstating the damage his trade war has caused, according to people who have spoken with him. And several aides agree with him that the news media is overplaying the economic fears, adding to his feeling of being justified, people close to the president said.

The claims provide a ready target to help Mr Trump deflect blame if the economy does tip into recession. But whether they could truly insulate the president on what could be a significant issue of the 2020 election after he has so conspicuously wrapped himself in the good economic news of the past two years remains an open question, and he and his advisers have sought to tamp down concerns that a downturn is on the way.

“Our economy is the best in the world, by far,” Mr Trump tweeted on Sunday. “Lowest unemployment ever within almost all categories. Poised for big growth after trade deals are completed.”

“I don’t see a recession,” he told reporters later on Sunday before leaving his private golf club in Bedminster, New Jersey, for Washington.

But he added that if the economy slowed down, “it would be because I have to take on China and some other countries,” singling out the European Union as among those treating the United States “very badly.”

The president’s broadsides follow a long pattern of conspiratorial thinking. He has claimed, without evidence, that unauthorised immigrants cast millions of ballots, costing him the popular vote in the 2016 election. During the campaign, he predicted that the system might prove to be “rigged” if he did not win. He conjured up a “deep state” conspiracy within the government to thwart his election and, more recently, his agenda. And he has said reporters are trying to harm him with pictures of empty seats at his rallies.

The attacks come as the economy has begun flashing some warning signs, despite unemployment near historic lows and relatively high marks by voters on Mr Trump’s economic stewardship.

Global growth has been slowing. Last week, stock markets plunged as the yield on the 10-year Treasury note briefly fell below that of the two-year Treasury note, an unusual situation known as an inversion of the yield curve that is considered one of the most reliable leading indicators of recession in the United States.

And signs of damage from Mr Trump’s trade war with China have been mounting.

In some conversations, the president has been preoccupied with the trade war, as well as with how to handle the pro-democracy protests in Hong Kong, according to the people who have spoken with him. “I’d love to see it worked out in a humane fashion,” Mr Trump told reporters on Sunday. “It does put pressure on the trade deal.”

On Sunday, his advisers battled any notion that the trade war could be harming the economy. Peter Navarro, a top trade adviser who has urged the president on in his trade war, dismissed a study from researchers at Harvard, the University of Chicago, the International Monetary Fund and the Federal Reserve Bank of Boston that showed that the cost of Mr Trump’s tariffs had “fallen largely on the US,” not on China and other countries, as the administration has asserted.

“There’s no evidence whatsoever that American consumers are bearing any of this,” Mr Navarro said on CNN’s State of the Union, insisting, despite abundant data to the contrary, that “they’re not hurting anybody here.”

While maintaining that any turmoil in the economy is overstated, Mr Navarro and Larry Kudlow, the White House economic adviser, also said the Federal Reserve had slowed economic growth, mirroring Mr Trump’s criticisms.

Mr Kudlow, appearing on Fox News Sunday, said that the state of the economy under the Trump administration “is kind of a miracle, because we face severe monetary restraint from the Fed.”

Mr Navarro, appearing on CBS’ Face the Nation, blamed the Fed for raising interest rates “too far, too fast,” adding that “they have cost us a full point” of growth in gross domestic product.

Mr Trump has also struck an increasingly strident economic tone.

“You have no choice but to vote for me because your 401(k), everything is going to be down the tubes” if Democrats win, he told a crowd at a campaign rally in Manchester, New Hampshire, last week. “Whether you love me or hate me, you’ve got to vote for me.”