Most mortgage industry observers expect the Federal Housing Finance Agency to raise Fannie Mae and Freddie Mac guaranty fees by about 20 basis points this year, but many are convinced that the impact on market practices may be bigger than the magnetic effect on private capital. The FHFA has said it wants to raise g-fees to the point that private capital comes into the market, according to Paul Mullins, a senior vice president and interim head of single-family at Freddie Mac. During remarks at the secondary market conference sponsored by the Mortgage Bankers Association this week, he said The odds are reasonably good you will see higher guaranty fees. Already around 50 bps and twice their historic level, the fees charged...