This time the curve has become inverted mainly because long-term yields have fallen so much.

ECONOMIST: Bond bombshell

This has led to an oddity what is dubbed an inverted yield curve: yields on long-term bonds have fallen below those of shorter-dated ones (which have barely budged).

ECONOMIST: Bond bombshell

Like many an economist before him, Bernanke seems to have downplayed a telltale omen: the inverted yield curve, in which short-term rates on Treasurys exceed long-term rates.

FORBES: Curveball