The GSEs benefited from the Consumer Financial Protection Bureau’s free pass on the debt-to-income ratio requirements of the qualified-mortgage rule, resulting in a $132.9 billion increase in business.A new Inside Mortgage Finance analysis of mortgage-backed securities data illustrates that from the beginning of 2014 through the end of the first quarter of 2015, approximately 16.3 percent of the loans securitized by Fannie Mae and Freddie Mac had DTI ratios exceeding 43 percent. In the non-agency world, a qualified mortgage has to have a DTI ratio of 43 percent or less. While the government-insured market has its own QM rules that effectively ignore DTI, a loan eligible for sale to the GSEs is considered...