According to calculations made by Inside Mortgage Finance, the patch currently accounts for as much as 30% of single-family mortgages purchased by Fannie Mae and Freddie Mac.
MBA worries that if the GSE patch expires without any corresponding reforms to "preserve access to credit," the residential mortgage market will be disrupted...
Harvard's Don Layton on creating more competition for Fannie and Freddie: “I have not encountered any knowledgeable people who think it could happen quickly."