Hedonic price theory has some advantages, and is a practical method to research urban housing price.

特征价格理论在研究城市商品住宅价格上具有一定的优势，它是目前我国研究城市商品住宅价格的实用方法。

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It is important to use hedonic price theory to research urban housing price practically in our country.

因此，应用特征价格理论来研究我国城市商品住宅价格具有重要的理论意义和实际应用价值。

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Come to talk theoretically, price always even if one sensitive problem, this include urban housing price too.

从理论上来讲，价格从来就是一个敏感问题，这同样也包括城市住房价格。

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Mr. BRIAN MONTGOMERY (Federal Housing Commissioner, U.S. Department of Housing and Urban Development): And that's the main difference between FHA and the subprime, is we price for the risk with an insurance premium, whereas in most of the subprime world, they price the risk in the interest rate.

NPR: Time for Renovation at the FHA?