The Effects of Increasing Fannie Mae’s and Freddie Mac’s Capital
https://www.cbo.gov/sites/default/files/114th-congress-2015-2016/reports/52089-gse-report.pdf
Examines a scenario where the two government-sponsored enterprises would be allowed to retain an average of $5 billion of their profits annually to invest in Treasury securities and expand the amount available for mortgage underwriting. From the Congressional Budget Office