Moody’s Investors Service is working on revamping its process for rating new non-agency mortgage-backed securities, including allowing issuers to use the same loan-level model used in Moody’s rating process. “We are providing an unprecedented level of transparency through publication of our model,” Navneet Agarwal, a managing director of residential MBS at Moody’s, said last week during a webinar hosted by the rating service. In August, Moody’s published a request for comment on its proposed ...