Fannie Mae and Freddie Mac have created a limited prototype of their somewhat controversial standardized securitization platform and are working to address industry feedback, according to officials at the Federal Housing Finance Agency and the government-sponsored enterprises. Speaking at the American Securitization Forum’s ASF 2013 conference this week in Las Vegas, Patrick Lawler, chief economist at the FHFA, said a limited prototype of the securitization platform has been developed. Wanda DeLeo, deputy director of the FHFA’s office of strategic initiatives, said the GSEs continue to work on the prototype, which is based largely on the architecture outlined in an October white paper from the FHFA. The white paper received...