It is a time of crisis, of great risk and, as happens when there is great risk, also of potentially great rewards.

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"I know the risk and I know what happens when it goes wrong, " he told BBC World Service.

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When this happens, a person is at increased risk for a whole range of health problems.

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But many astronomers are confident they'll detect an extraterrestrial intelligence in the next few decades, and when that happens, we better have an official reply ready, or risk being drowned out by the public.

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The question, of course, is what happens when it picks up, as it surely will (a risk-appetite index compiled by CSFB is almost as high as it was at previous market peaks).

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Prepayment risk for auto loan ABS is much lower when compared to home equity loan ABS or MBS. Prepayment only happens when the borrower has extra funds to pay the loan off.

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