The Federal Reserve Board needs to hold money-market rates next to zero, minus zero adjusted for inflation.

FORBES: Old Glory And The Reservoir Of Confidence

After all, it you are satisfied with a 2% rate of return, near zero adjusted for inflation, go ahead.

FORBES: Managing Money

Real short-term interest rates in Japan (ie, adjusted for inflation) are zero or even slightly negative.

ECONOMIST: Japan

The trade group said its monthly economic survey of small employers, which will be released Feb. 14, found the net change in employment per firm (seasonally adjusted) in January was zero.

FORBES: Business Hiring Optimism Improves

Go out to 10-year Treasuries and the inflation adjusted rate of return currently is a flat zero.

FORBES: Savvy Investors Survive Fed's Remorseless Abuse

The process stops at the point where all assets, on a maturity- and risk-adjusted basis, are priced to achieve probable returns near zero.

FORBES: Fed Must Either Reverse QE Or Brace For Impact

Adjusted for inflation, in fact, the effective fed funds rate has now been below zero for 54 of the last 101 months.

FORBES: Real U.S. Interest Rates Deeper Below Zero Than Even In 1970s