Huge deficits are already making bond investors nervous. Economists warn that could make it harder to respond to future crises.

Mainstream measures have been slow to detect the impact of tariffs and uncertainty, leaving economists to scour earnings calls and private-sector data sources.

The U.S. economy has largely withstood inflation and high interest rates. But tariffs could bring new price increases and put a damper on hiring.

On Tuesday, President Trump sent markets into another tailspin by announcing additional tariffs on Canada, suggesting a falling stock market is no longer the bulwark...

Economic forecasts have deteriorated in recent weeks, reflecting the upheaval from federal layoffs, tariff moves and immigration roundups.

Howard Lutnick, the commerce secretary, suggested government spending should be excluded from data about U.S. economic output.

Howard Lutnick, the commerce secretary, suggested government spending should be excluded from data about U.S. economic output.