At the same time there is a heated debate in the government-sponsored enterprise MBS market on whether Fannie Mae and Freddie Mac should reduce the minimum servicing fees for their securities, there seems to be little interest in considering a similar change in the non-agency market. According to a new survey by Fitch Ratings, an overwhelming majority of non-agency MBS issuers oppose the idea of lowering minimum servicing fees. And the opposition is strongest among…