President Biden cheered the report in a statement Thursday morning. “For months, doomsayers have been arguing that the U.S. economy is in a recession, and congressional Republicans have been rooting for a downturn,” he said. “But today we got further evidence that our economic recovery is continuing to power forward.”

By one common definition, the U.S. economy entered a recession when it experienced two straight quarters of shrinking G.D.P. at the start of the year. Officially, however, recessions are determined by a group of researchers at the National Bureau of Economic Research, who look at a broader array of indicators, including employment, income and spending.

Most analysts don’t believe the economy meets that more formal definition, and the third-quarter numbers — which slightly exceeded forecasters’ expectations — provided further evidence that a recession had not yet begun.

But the overall G.D.P. figures were skewed by the international trade component, which often exhibits big swings from one period to the next. Economists tend to focus on less volatile components, which have showed the recovery steadily losing momentum as the year has progressed. One closely watched measure suggested that private-sector demand stalled out almost completely in the third quarter.

Mortgage rates passed 7 percent on Thursday, their highest level since 2002.

“Housing is just the single largest trigger to additional spending, and it’s not there anymore; it’s going in reverse,” said Diane Swonk, chief economist at the accounting firm KPMG. “This has been a stunning turnaround in housing, and when things start to go really quickly, you start to wonder, what are the knock-on effects, what are the spillover effects?”

The third quarter was in some sense a mirror image of the first quarter, when G.D.P. shrank but consumer spending was strong. In both cases, the swings were driven by international trade. Imports, which don’t count toward domestic production figures, soared early this year as the strong economic recovery led Americans to buy more goods from overseas. Exports slumped as the rest of the world recovered more slowly from the pandemic.

Both trends have begun to reverse as American consumers have shifted more of their spending toward services and away from imported goods, and as foreign demand for American-made goods has recovered. Supply-chain disruptions have added to the volatility, leading to big swings in the data from quarter to quarter.

Few economists expect the strong trade figures from the third quarter to continue, especially because the strong dollar will make American goods less attractive overseas.

Jim Tankersley contributed reporting.

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