"The mortgage finance market has leaned heavily on government support over the past few years. More than 90 percent of mortgages originated in 2011 were securitized by government entities using taxpayer funds to guarantee investors against default risk. This support cannot continue forever. The status quo perpetuates many of the policies that contributed to the housing bubble and consequently promotes an unstable mortgage market. In order to avoid another crisis, the government must exit mortgage finance and private capital must shoulder mortgage default risk. "
https://reason.org/wp-content/uploads/files/study_restoring_...