Record low mortgage rates have lifted demand to refinance loans and buy homes.

低贷款利率拉动再融资贷款和买房需求。

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If Treasury winds up owning mortgage-backed securities, as well as whole mortgages, it will have new leverage over the mortgage servicers and might be able to demand changes to certain loans.

如果财政部自身持有抵押贷款支持证券，将对抵押贷款服务商产生新的影响力，可能足以要求更改部分贷款的条款。

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The virtual shutdown of the subprime mortgage market and a widening of spreads on jumbo mortgage loans have further reduced the demand for housing, while foreclosures are adding to the already-elevated inventory of unsold homes.

NPR: Economic Swoon to Continue, Bernanke Says

Investor demand for mortgage-backed securities--and banks' eagerness to buy loans, package and sell them to this hungry crowd--helped create the incredible run-up in the mortgage market over the last three years.

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