Same thing with the doom and gloom scenarios on the carry trade. Everyone leaps from their office window every time a central bank somewhere intervenes to try to keep their currency down.
In the big picture, if there's a huge interest rate differential between two currencies, the market is going to bid the higher one up against the lower one. As long as there is a real fundamental reason for NZD or AUD to rise against the yen for instance, they will.
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