Technological innovation in mortgage underwriting and the growth in credit, 1985–2015

Christopher Foote, Lara Loewenstein and Paul Willen

No 19-11, Working Papers from Federal Reserve Bank of Boston

Abstract: The application of information technology to finance, or ?fintech,? is expected to revolutionize many aspects of borrowing and lending in the future, but technology has been reshaping consumer and mortgage lending for many years. During the 1990s, computerization allowed mortgage lenders to reduce loan-processing times and largely replace human-based assessments of credit risk with default predictions generated by sophisticated empirical models. Debt-to-income ratios at origination add little to the predictive power of these models, so the new automated underwriting systems allowed higher debt-to-income ratios than previous underwriting guidelines would have allowed. In this way, technology brought about an exogenous change in lending standards that was especially relevant for borrowers with low current incomes relative to their expected future incomes?in particular, young college graduates. By contrast, the data suggest that the credit expansion during the 2000s housing boom was an endogenous response to widespread expectations of higher future house prices, as average mortgage sizes rose for borrowers across the entire income distribution.

Keywords: mortgage underwriting; housing cycles; technological change; credit boom (search for similar items in EconPapers)
JEL-codes: C55 D53 G21 L85 R21 R31 (search for similar items in EconPapers)
Pages: 49 pages
Date: 2019-11-01
New Economics Papers: this item is included in nep-ban, nep-his, nep-ict, nep-pay and nep-ure
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Citations: View citations in EconPapers (2)

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Related works:
Working Paper: Technological Innovation in Mortgage Underwriting and the Growth in Credit: 1985-2015 (2018)
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DOI: 10.29412/res.wp.2019.11

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