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Ironing Out the Wrinkles of the Single Security
Urban Institute, Jan. 14, 2020–Laurie Goodman, Jim Parrott, Bob Ryan
The authors assess the move by Fannie Mae and Freddie Mac to a single security, called the Uniform Mortgage-Backed Security.
https://www.urban.org/research/publication/ironing-out-wrinkles-single-security