The slow-moving affect of rising rates of interest will find yourself torpedoing the economic system, dashing Federal Reserve expectations {that a} recession may be prevented, based on famend Wall Avenue curmudgeon Jeremy Grantham.

Grantham, whose personal forecast for a brutal market reckoning has taken lumps on this yr’s tech revival, doubled down on the gloom prophesy in an interview taped for an upcoming episode of Bloomberg Wealth with David Rubenstein.

“The Fed’s report on this stuff is fantastic. It’s virtually assured to be flawed,” mentioned the co-founder of the Boston-based funding agency Grantham Mayo Van Otterloo, in response to a query about Chair Jerome Powell’s view {that a} downturn is avoidable. “They’ve by no means known as a recession, and significantly not those following the nice bubbles.”

Grantham, 84, is well-known for gloomy forecasts which have often presaged main market dislocations, resembling in 2000 and 2008. He known as the post-pandemic surge in equities “in some ways about equal to the 2000 tech bubble,” however mentioned its deflation has been interrupted by hypothesis on synthetic intelligence and financial stimulus that he linked to subsequent yr’s presidential election.

“Every little thing and its canine appears to have intruded,” he mentioned. “It’s made life extremely difficult. Personally I feel AI is essential,” he mentioned. “However I feel it’s maybe too little too late to save lots of us from a recession.”

Volatility within the economic system for the reason that outbreak of Covid-19 has made depressing the lives of just about everybody making an attempt to forecast the route of markets. Grantham’s warnings round 2021’s unbridled bullishness — “we had a few of the craziest investor conduct of all time,” he informed Rubenstein — seemed prescient when shares have been walloped final yr. This yr, with the Nasdaq 100 Index up greater than 30%, they’ve often appeared overblown.

Investor fervor surrounding AI, loosely outlined as problem-solving utilizing computer systems and large datasets that’s pushed tech shares to lofty valuations, has been one thing Grantham has been warning towards. And whereas pleasure round it might be propelling equities for now, he mentioned, it received’t hold the US economic system from contracting.

Recession in 2024

The deflationary affect of final yr’s fall in tech shares is “too massive,” he mentioned. As greater charges proceed to depress different corners of the market, significantly actual property, the U.S. economic system will see “a recession working maybe deep into subsequent yr and an accompanying decline in inventory costs.”

In January, he projected the trendline worth of the S&P 500 at about 3,200 by the top of the yr, greater than 1,000 factors beneath its present degree.