When the Fed pours money into the system with the purchase of mortgage-backed securities, combined with guidance from the Federal Open Market Committee that the federal funds rate will remain near zero at least through mid-2015, it depresses yields on debt instruments.

FORBES: Ben Bernanke's QE3: The Best Thing for Crowdfunding Since the JOBS Act

When the Federal Reserve Open Market Committee met in June, more bond purchases to push down long-term Treasury and mortgage rates were already on the table.

FORBES: Bernanke is Bluffing

Testifying before the House Financial Services Committee, Geithner said the administration plans to open a public comment period next month for stakeholders to weigh in on what to do with the government-controlled mortgage buyers Fannie Mae and Freddie Mac.

FORBES: Magazine Article