Mortgage Markets Out of Control

Gretchen Morgenson of the New York Times reports that Mortgage Markets are Out of Control.  The mortgage-backed securities market is the place where bundles of home mortgages packaged into debt securities are traded.  The MBS market is now the largest debt market in the world, having eclipsed the US Treasury market.  The two Government Sponsored Enterprises (GSEs) — Fannie Mae and Freddie Mac — the largest issuers of MBS, are roiling the US Treasury market as they buy and sell enormous qua