When the bubble bursts, they fear, the whole thing could come crashing down.

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All this changes when the bubble bursts.

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When the bubble bursts, the convergence unravels.

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When the gold bubble bursts, will the government bail out the losers?

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When the bond bubble bursts, it will be just as ugly as the collapse in housing and the stock market proved to be.

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When the bubble predictably bursts, get the Federal Reserve to pour trillions of dollars into the industry in a desperate attempt to reinflate the bubble.

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If (when) the tech bubble bursts, this will cause spending to slow sharply as firms and households struggle to reduce their heavy debt burdens.

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When the bubble in government debt finally bursts under the pressure of rising rates and unsustainable interest expense, he said, the ratings agencies, as always, will be late to make the call.

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But by letting some air out of the bubble sooner, the impact on inflation and output when it bursts is more modest.

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If the real estate bubble bursts, it may produce a rerun of 2008, when the Shanghai stock market plunged about 60%.

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When this bubble bursts, he will be forced to make the same choice.

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