The term "bell curve" originates from the fact that the graph used to depict a normal distribution consists of a symmetrical bell-shaped curve. The highest point on the curve, or the top of the ...

The yield curve has three shapes: normal, flat and inverted. Normal / upwards sloping A so-called normal yield curve will ...

Mathematicians’ Favorite Shapes Hold the Key to Big Mathematical Mysteries ...

When the curve disinverts, or returns to its normal shape, as it did on Sept. 4, some say that could signal a downturn is ...