Inflation is the process by which monetary authorities devalue their currency, and as Zimbabwe is teaching us now, one way to devalue is to overissue the currency in question.
But the fickle nature of commodity trading has derailed yield-hungry ambitions across the currency world leaving a question mark above the rationale or at least the desire among central bankers to shift policy in order to address temporary price spikes.
Fourth and most testing for Scotland's future would be the question of its currency.
The need for intervention, she notes, puts into question whether the Japanese currency can provide the safety investors are looking for.
Given the chance to attack Mr Blair over the single currency at prime minister's question time on October 29th, he chose instead to raise education.
Volatility may pick up across the currency markets, particularly doing the unscripted question and answer session.
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The lasting question from this bout of currency instability is how long that will remain the case.
If this ambitious project ever takes off, the question will be what common currency to link to.
This was a pre-condition for German support for the entire single currency project: there could be no question of the ECB bowing to the whims of the French - or for that matter, the Italians.
You can get the currency exposure either by purchasing short-term paper issued by the flaky government in question or by taking a long position in the futures market for that currency.
And as often as economic prognosticators prescribe currency debasement as some miraculous panacea, her question is a good one.
This rattled already shaky world stock markets and once again called into question the survivability of the Euro currency.
They question whether Mr Kabila imposed the currency measures for sound economic reasons or to allow members of his government to stuff dollars into their own pockets.
The introduction of private currency competition would allow the markets to settle the question without causing harm throughout the system.
Until recently, candidate states would not have dared to question openly the rules underpinning the single currency, lest the markets send their currencies plunging and their borrowing costs spiralling.
But even without this pressure, Chinese officials had reason to question their choice of standard to which to peg their currency.
The long-term viability of the euro (once hailed as the next great reserve currency that would supplant the dollar) has repeatedly been called into question, and credit ratings on debt in euro zone countries have gradually been taken a hit.
If there becomes reason to question that value, people can switch from dollars to gold currency (most easily through electronic payment systems like debit cards).
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The currency's fans don't have a good answer to this question.
Whether the single currency spurs new and bolder efforts at political integration within Europe remains an open question (see article).
This question begs the obvious: Hundreds of billions of dollars is the currency held by a few thousand families around the world.
The Senator went on to tell the States of Jersey, in response to Constable Mezbourian's question that the note will form an important part of the new family of currency.
The question of how much time has been bought for China depends on how flexible the currency will become.
The big question is, how large do those fiscal transfers have to be in order for such a single currency area to work?
The question that I will put to the people is not whether we should continue with the euro as our currency.
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This puts into question the ability of Greece to secure its next round of bailout money from the EU. The Euro currency and European and U.S. stock markets slumped on the Greek news.
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