New capital requirements for private mortgage insurers are a positive for the industry and should not cause a big change in MI premiums, high loan-to-value prepayments or net issuance of conventional MBS, according to a new analysis from Barclays Research. The reason for analysts’ optimism is that the effective rate for conventional conforming mortgages with private MI has been more attractive than on an FHA loan for borrowers with FICO scores above 700 and original LTVs of 80-95 percent. The opposite has been true for borrowers with low FICO scores. Consequently, issuance of conventional loans over the past year has largely favored...