• Samuel Hanson


Mortgage Convexity. Samuel G. Hanson, January 2014, Paper. "Most home mortgages in the U.S. are fixed-rate loans with an embedded prepayment option. When long-term rates decline, the effective duration of mortgage-backed securities (MBS) falls due to heightened refinancing expectations. I show that these changes in MBS duration function as large-scale shocks to the quantity of interest rate risk that must be borne by professional bond investors. I develop a simple model in which the risk tolerance of bond investors is limited in the short run, so these fluctuations in MBS duration generate..." Link Verified October 11, 2014