Risk-retention requirements established by the Dodd-Frank Act for certain non-agency mortgage-backed securities took effect at the end of 2015. Industry analysts suggest that the requirements will have minimal impact on industry participants’ current practices. “Risk-retention rules will not affect overall residential MBS issuance levels because qualified mortgage issuers will be exempt from risk-retention rules, and non-QM issuers already retain risk,” according to analysts at Moody’s Investors Service ...