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.

"But we have to monitor their development for years to be sure there are no delayed effects."

Union lawyers, arbitrators and local officials all say that market forces may just be starting to have a delayed effect on awards.

It couldn't be anything else than another illusion, a delayed effect of the hallucinogenic still in his body.

What triggers the delayed effect is not known.

This delayed effect of cholera toxin is well known from animal experiments.

These forms of wealth transfers benefit the government immediately and have a delayed effect on the people.

A similar delayed effect could reverse initial opinion today with regard to Mr. Clinton.

Heating oil suppliers report less of a dent so far, but there may be a delayed effect since oil customers stock up in advance.