L-shaped curve

L-shaped curve

n
a curve on a graph that shows a sharp fall after which values remain low for a long period
References in periodicals archive ?
The distinctive L-shaped curve is defined by low flow and a nearly vertical leg at the left and by higher flow toward the right as the curve becomes more horizontal.
Will employment begin to bounce back in a V-shaped recovery curve, or will a U-shaped or even an L-shaped curve ensue?
Bush's constituency is geographically based in the L-shaped curve from the Rocky Mountain and Great Plains states and moving into the South and the Border States.