On the screen, colored dots float along an animated fret board.

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In 1973, for instance, Singapore and Malaysia abandoned their currency-board systems by allowing their currencies to float.

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They must either fully fix their currency, to the dollar, say, through a currency board or dollarisation, or they must allow it to float freely.

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Either countries should float their currencies (or adopt much wider bands) or they should adopt the rigid fixity of a currency board or even currency union.

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Here on Washington Avenue, a group of residents is hard at work battening down the circus float they made the other week, emptying the built-in cooler of Miller-High Life and assembling board games for the long nights to come.

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