The high cost of servicing delinquent mortgages for Fannie Mae and Freddie Mac is one of the factors that prompt lenders to implement underwriting overlays, according to Laurie Goodman, director of the Urban Institute’s Housing Finance Policy Center. However, recent changes to the GSEs’ standards for servicing delinquent mortgages along with a potential adjustment to repurchase requirements are promising, she said. “In order to broaden access to credit, servicing issues ...