The government-sponsored enterprises should revise their representation and warranty policies, including setting a two-year sunset, according to the Urban Institute’s new Housing Finance Policy Center. The move could reduce underwriting overlays set by lenders and increase credit availability. “We would expect to see a small but perceptible widening of credit in the months ahead, but it’s going to be very small until we solve the rep and warrant issue and the regulatory uncertainty issue,” said Laurie Goodman, director of the HFPC, during an event to launch the center. As directed by the Federal Housing Finance Agency, Fannie Mae and Freddie Mac this year established...