Some money-watchers have suggested that while Hong Kong continues to publicly stand by the linked-exchange rate peg of its currency to the U.S. dollar, behind the scenes it may be looking for alternatives.

CNN: Intelligence: The Dollarization Debate Again

If the supply of dollars goes up a lot (as it is) then to keep the exchange rate linked emerging markets must increase the supply of their currency as well.

FORBES: Fiat Money Never Stays Golden Forever

The crises of the 1990s did, however, tend to have one thing in common: they all had some kind of fixed exchange rate, often a fixed peg or link to another currency, usually the dollar, or an exchange-rate band, again usually linked to the dollar.

ECONOMIST: Spoilt for choice | The