RT Journal Article SR Electronic T1 Mortgage Lender Profitability and Its Impacton Market Spreads JF The Journal of Structured Finance FD Institutional Investor Journals SP 69 OP 76 DO 10.3905/jsf.2016.22.1.069 VO 22 IS 1 A1 Michael Fratantoni YR 2016 UL https://pm-research.com/content/22/1/69.abstract AB Persistent increases in mortgage origination costs affect both lender profitability and borrower costs. This article examines these trends and quantifies the impact of increased loan production expenses on primary–secondary spreads. An important implication for investors and analysts is that persistently wider spreads may dampen prepayment responses for a given change in secondary market rates relative to historical experience.TOPICS: MBS and residential mortgage loans, financial crises and financial market history