Economists and real estate executives warn that getting rid of the GSEs’ affordable housing goals, as suggested in some housing-finance reform proposals, will most likely lead to fewer options for underserved borrowers. Currently, Fannie Mae and Freddie Mac have affordable housing goals that work in tandem to their duty-to-serve underserved markets mandates. But a draft reform proposal by Sen. Bob Corker, R-TN, would replace the affordable housing goals with a new fee-based incentive system.“A potential reduction in federal backing for home loans issued to underserved borrowers as a result of ongoing GSE reform efforts is likely to decrease lending in these communities,” said...