Download This PaperMortgage Risk Premiums during the Housing Bubble
51 Pages Posted: 12 Dec 2017 Last revised: 23 Oct 2020
Date Written: October 23, 2018
Abstract
How did pricing for mortgage credit risk change during the years prior to the 2008 financial crisis? Using a database from a major American bank that served as trustee for private-label mortgage-backed securitized (PLS) loans, this paper identifies a decline in credit spreads on mortgages conditioned on loan and borrower characteristics. We show that observable risk factors, FICO score and loan-to-value ratios, have less of an impact on mortgage pricing over time. As the volume of PLS mortgages expanded and lending terms eased, risk premiums failed to price the increase in risk.
Keywords: housing bubble, risk premium, securitization, private-label
JEL Classification: R31, G01, G12, G20, G21
Suggested Citation: Suggested Citation
Susan M. Wachter (Contact Author)
University of Pennsylvania - Wharton School, Department of Real Estate ( email )
The Wharton School
3620 Locust Walk
Philadelphia, PA 19104-6330
United States
215-898-6355 (Phone)
HOME PAGE: http://real.wharton.upenn.edu/~wachter/index.html
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