Many Latin American companies also state results in dollars as well as the local currency, in part because high domestic inflation rates in the 1980s made it difficult to compare local-currency results from one year to the next.

ECONOMIST: Confusionism

Such moves would cause a headache for central banks worried about the domestic impact of a strengthening local currency, leading to possible intervention.

CNN: QE3 triggers fear of new currency wars

Depreciation may help the domestic economy, but it inflicts a loss on foreign holders of local-currency government bonds.

ECONOMIST: Financial markets