The retreat, when it starts, could see the Australian currency return to its 2007 levels quite quickly.

FORBES: Aussie Dollar Could Be The Next Big Short

Instead, such wealth, if it does stay at home, is being parked in whatever assets might bring a speculative return or a currency hedge against a falling U.S. dollar.

FORBES: China's 8% Growth Magic (Trick)

They are right up to a point: investors carry less currency risk if some of a bond's return is denominated in domestic currency.

ECONOMIST: Japanese bonds