Concerns raised before the annual summit about the value of China's currency, the yuan,have been played down by economic leaders.

VOA: standard.2009.11.13

They also say Washington has avoided the tough talk of previous administrations about the value of China's currency.

VOA: standard.2009.11.10

The value of the euro currency has plunged for example, which makes American exports - key to the U.S.economic recovery - less competitive.

VOA: standard.2010.02.26