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The amplification effects of adverse selection in mortgage credit supply.
- Source :
-
Journal of Housing Economics . Dec2023, Vol. 62, pN.PAG-N.PAG. 1p. - Publication Year :
- 2023
-
Abstract
- This paper studies how information frictions in the securitization market amplify the response of mortgage credit supply to house price shocks. Securitization prices and quantities endogenously result from an optimal contracting problem between investors and banks. Banks are better informed than investors about the quality of mortgages they originate, leading to adverse selection in securitization. Investors use the quantity sold as a screening device to induce banks to reveal truthful information. We find that adverse selection amplifies the response of a bank's mortgage credit to house price shocks. The degree of amplification is also a function of the technological differences in managing portfolios between banks and investors. The model is informative on how information frictions can induce large fluctuations in mortgage credit supply. • Banks and investors interact in a securitization market affected by private information. • Investors screen banks' mortgage portfolios by designing securitization contracts. • House price shocks affect securitization through nonlinear price and quantity effects. • Aggregate credit supply becomes a nonlinear function of securitization liquidity. • Adverse selection amplifies the credit supply response to house price shocks. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10511377
- Volume :
- 62
- Database :
- Academic Search Index
- Journal :
- Journal of Housing Economics
- Publication Type :
- Academic Journal
- Accession number :
- 174014049
- Full Text :
- https://doi.org/10.1016/j.jhe.2023.101965