This week it was tying interest rates to specific inflation and unemployment metrics.

FORBES: Fed Announces New Treasury Buying Plan; Investors Uninspired

First, emerging economies have specific problems that make inflation-targeting difficult.

ECONOMIST: Floating with an anchor | The

The Transport Workers Union Local 100 wants wage increases pegged to inflation, the first specific salary demands made in negotiations between the transit union and the MTA, according to people close to the negotiations.

WSJ: Transit Workers Seek Wage Hikes

"Thatcher's economic policy cured the specific British disease of vulnerability to bouts of high inflation and a Luddite trade-union movement, " said Howard Davies, formerly a deputy governor of the Bank of England and a head of the London School of Economics.

WSJ: Thatcher's Economic Overhauls Still Debated