The flight from the dollar is a mixed blessing for the U.S. economy.

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Political or economic upheaval can trigger a flight from or to the dollar (as Greece's current troubles have done).

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The government's rules were designed to curb the flight of savings from the country and make the economy less dependent on the US dollar.

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Instead, Bush said, the dollar is benefitting from flight-to-quality type buying on global economic slowdown worries since other safe havens such as the yen and Treasurys are also higher.

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As domestic and foreign capital has taken flight, the peso has dropped to about 50 to the dollar-off 25% from its average of 40 in 1999 and about half its value of 26 at the onset of the Asian financial crisis in 1997.

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