An Overview of Federal Support for Housing
http://www.cbo.gov/ftpdocs/105xx/doc10525/11-03-HousingPrograms.pdf
Describes the array of federal activities that support housing and the recent expansion of these programs up to a cost of $300 billion in FY 2009 due to the placement into conservatorship of Fannie Mae ( the Federal National Mortgage Association) and Freddie Mac (the Federal Home Loan Mortgage Corporation). From the Congressional Budget Office.
