American Eagle, other regional airlines and travel agents said yesterday that they had seen no measurable decline in reservations since Monday.

But there has been no measurable decline in drug-related violence here since Mr. Bennett's plan took effect.

But so far, there has been no measurable decline in the number of passengers, he said.

Nor do colleges and universities report a measurable decline in course enrollments.

Portland Oregon invested heavily in bicycle infrastructure from 1999 - 2009, and saw a measurable decline in traffic fatalities during that same period.

"But there's been a measurable decline of support in the political system."

The good level of economic growth in the post-apartheid period has led to a measurable decline in income poverty, but inequality has increased.

A ballplayer may lose just a step, their statistical achievements begin an almost insignificant but measurable decline.

But there has been a measurable decline in the national confidence that was on display last week.

In Colombia, the result has been a remarkable drop in violence, but no measurable decline in cocaine exports.