No central banker would lift the flood-gate without sound economic fundamentals in place.

ECONOMIST: South Africa

And some cities might take the plunge if the central government offered to lift the curbs it has placed on property speculation.

ECONOMIST: One year on, China��s most-hyped tax is still mostly hype

Security Council's decision to lift sanctions against the Central Bank of Libya and two other entities on December 16, 2011.

WHITEHOUSE: The White House

But it is already showing signs of quickening again, prompting the central bank on October 19th to lift interest rates, by 0.25 percentage points, for the first time since 2007.

ECONOMIST: China��s new five-year plan is at odds with itself

Outside the U.S., the Stoxx Europe 600 finished the day up 1.6%, adding to Monday's 0.3% gain, after European Central Bank official Joerg Asmussen helped lift investor spirits by saying on Monday that the ECB will keep its accommodative monetary policy in place as long as necessary.

WSJ: Stocks Pare Gains

But though the central bank has had to spend nearly 10% of Colombia's reserves, and lift inter-bank rates to 80%, to prop up the peso, the big issue seems to be corruption.

ECONOMIST: That��s this Sunday, and the run-off rivals are neck and neck