用占GDP比重衡量，住房投资仍处在历史低点，这是2003—2008年房地产泡沫期的过度建房以及随后按揭止赎风暴带来的后果。
Residential investment is still at an historic low as a share of GDP as a result of overbuilding during the 2003-2008 housing boom and the tsunami of foreclosures that followed.