So managing the economy is like trying to drive a car whose brakes have an uncertain and delayed effect on its speed.

But like the rate hikes, any rate cut will have an uncertain and delayed effect.

What makes your decision difficult are the uncertain effects of your actions.

Instead, the Americans have limited themselves almost exclusively to airstrikes, which are having uncertain effects.

Given the uncertain effects of low-level radiation, there is a pressing need for good quality research in this area.

Keynesians argue that changes in money supply have a rather uncertain effect on aggregate demand.

Keynesians argue that they have an indirect and uncertain effect.

The measured value is the sum of the uncertain thermal effects and the possible anomaly.

And most of it is not considered lethal even after long exposure but could cause illness or have uncertain long-term effects.

The warning had an immediate effect, as the advancing men paused, uncertain.