But the biggest risk to America, and hence to the world economy, lies on Wall Street.
That is why the biggest risk to Australia's economy lies in its housing market.
As employees, we are at the biggest risk for trouble from our own employers.
For some, political intervention has supplanted an overvalued currency as the biggest risk in Brazil.
Yet the biggest risk lies not in his challenge but in the response it is provoking.
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Perhaps the biggest risk in the region is of abandoning the recent commitment to prudence.
The biggest risk is that Mr Yanagisawa may not be around to push through his reforms.
The biggest risk lies in America, where demand is running dangerously ahead of supply.
The biggest risk to the Australian economy is that the housing bubble could burst.
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The biggest risk is that the region fails to tackle its other longstanding weakness: poor education.
The biggest risk for the White House is that this is, for the moment, a runaway train.
For example, if you are younger, your biggest risk is morbidity and therefore, disability insurance should be considered.
Feldman highlights the far right's recent apparent moves to establish a pan-European cultural movement as the biggest risk.
The biggest risk to the anemic recovery, though, comes from aboard, particularly Europe.
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Improper drafting and execution is the biggest risk for the DIY estate planner.
Dunnington also said fire resulting from contact with power lines was probably the biggest risk for hot air balloonists.
Remember - you are not alone on the road, and your biggest risk is from other road users, though.
The biggest risk for today's Democrats is that they will fall prey to their own new brand of extremism.
Right now that is what poses the biggest risk to the world economy.
But perhaps the biggest risk is the message that Mr. Carney may be sending to his new patron, Mr. Osborne.
The biggest risk is that the owner will die before the trust expires, generally subjecting its entire value to estate tax.
Others reckon the biggest risk for European subordinated bank debt is market volatility, rather than the possibility bondholders will suffer losses.
The biggest risk to banks at present, he said, was from the troubles in the eurozone, which were "far from over".
Insufficient infrastructure spending remains "the biggest risk" to Africa's economic growth, the boss of mobile phone network Bharti Airtel, has said.
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On balance, the biggest risk to our prosperity, total meltdown of the eurozone, has diminished, though it has not been extinguished.
Losing control of their brand is the biggest risk for luxury firms expanding abroad or venturing into a new line of business.
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But the biggest risk to the American economy is not a slowdown in exports, but a further big fall in its stockmarket.
The biggest risk was seen in thyroid cancer, which for infant girls could be up to 70% higher than expected over their lifetime.
The biggest risk, indeed, is not of too much hype, but that the latest Potter book will lack the magical appeal of its predecessors.
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