The imposition of federal conservatorships on September 6, 2008, at the Federal National Mortgage Association and the Federal Home Loan Mortgage Corporation—commonly known as Fannie Mae and Freddie Mac—was one of the most dramatic events of the financial crisis. These two...

The roles of Fannie Mae and Freddie Mac have become increasingly controversial in the modern world of residential mortgage finance. We describe the special features of these two companies and their roles in the mortgage markets. We then discuss the controversies that surround them and offer...