The controls were accompanied by a move to peg the ringgit at 3.8 to the dollar about 10% stronger than the market rate at the time.

ECONOMIST: Malaysia

Meader gave the example of the recent move by the Swiss National Bank to keep a peg to the euro after the Swiss franc rose sharply as investors sought a safe haven.

FORBES: INTERVIEW: Currency Market Intervention Can Be Supportive To Gold -- Thomson Reuters GFMS

In July, American nagging helped persuade the Chinese to move the yuan from its dollar peg and peg it to a mixed basket of currencies, bringing a 2% revaluation in the process (though that has not stopped a Democratic senator, Charles Schumer, from threatening a 27.5% tariff if the yuan does not rise more).

ECONOMIST: China and the West