The Federal Housing Finance Agency’s “single security” proposal for generic Fannie Mae and Freddie Mac MBS is “well-thought out” and “worthy of serious consideration,” but the agency should pick up the pace in its implementation to avoid making the solution part of the problem, according to a paper by the Urban Institute. Laurie Goodman, director of the UI’s Housing Policy Center, and Lewis Ranieri, chairman of Ranieri Partners, expressed concern that the FHFA “may be contemplating a slower pace in the project than it warrants.” The FHFA last month issued...