Congress thought that these people could be given more money to operate if someone would buy the mortgages from them, so Fannie Mae started doing that in 1938.

国会认为若从他们那买走抵押贷款,他们就有更多资金去发放贷款,因此房利美从1938年开始运作

耶鲁公开课 - 金融市场课程节选