Most explanations of the causes of the post-2007 financial crisis point to five sources of instability. First, the crisis was precipitated by the peculiarities of the US real-estate market, by government incentives for increased homeownership, and in imprudent lending by financial institutions.
在解释2007年金融危机为何爆发时，人们大多指出了不稳定性的5个来源。第一，美国房地产市场的问题、政府力图提高住宅拥有率的政策以及金融机构的轻率放贷是危机的直接起因。