One more such victory

A year ago Brazil’s finance minister, Guido Mantega, declared that the world had entered into a “currency war”. He worried that in a depressed global economy, without enough spending to go around, countries would sally forth and grab a bit of extra demand for themselves by weakening their currencies. The dollar, for example, fell by 11% against Brazil’s real in the year to August 2011, much to the chagrin of Brazil’s manufacturers. Like other emerging economies it fought back by imposing taxes and other restrictions on foreign purchases of local securities.

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