Notice 2012-72 contains the standard mileage rates, the amount a taxpayer must use in calculating reductions to basis for depreciation taken under the business standard mileage rate, and the maximum standard automobile cost that a taxpayer may use in computing the allowance under a fixed and variable rate plan.

FORBES: 2013 IRS Mileage Rate Increases To 56.5 Cents Per Mile

With a "pay for performance" plan, a doctor would receive a fixed rate for, say, fixing someone's knee, eliminating the incentive to order up lots of unnecessary test.

FORBES: Health Care Reform

The plan includes refinancing some of the borrowers into private, fixed-rate mortgages, or putting them into Federal Housing Administration loans.

FORBES: Magazine Article