The problem is that nominal incomes and prices are sticky in a downward direction.

FORBES: Greek Crisis: Austerity Doesn't Work

Other polls have shown changes in the same downward direction.

CNN: Obama: 'Shame on us' if Newtown doesn't bring new gun laws

The downward slope becomes the same self-fulfilling prophecy that the upslope represented, just in the opposite direction.

FORBES: Apple's Ups And Downs Are A Classic Study In Momentum Investing

Tilt the screen downward and the contrast quickly plummets, and the color balance appears pretty sickly when gazing onward from any other direction.

ENGADGET: iPod nano review (2012)