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Financial Fragility with SAM?

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  • DANIEL L. GREENWALD
  • TIM LANDVOIGT
  • STIJN VAN NIEUWERBURGH

Abstract

Shared appreciation mortgages (SAMs) feature mortgage payments that adjust with house prices. They are designed to stave off borrower default by providing payment relief when house prices fall. Some argue that SAMs may help prevent the next foreclosure crisis. However, home owners' gains from payment relief are mortgage lenders' losses. A general equilibrium model in which financial intermediaries channel savings from saver to borrower households shows that indexation of mortgage payments to aggregate house prices increases financial fragility, reduces risk‐sharing, and leads to expensive financial sector bailouts. In contrast, indexation to local house prices reduces financial fragility and improves risk‐sharing.

Suggested Citation

  • Daniel L. Greenwald & Tim Landvoigt & Stijn Van Nieuwerburgh, 2021. "Financial Fragility with SAM?," Journal of Finance, American Finance Association, vol. 76(2), pages 651-706, April.
  • Handle: RePEc:bla:jfinan:v:76:y:2021:i:2:p:651-706
    DOI: 10.1111/jofi.12992
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    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. Financial Fragility with SAM?
      by Christian Zimmermann in NEP-DGE blog on 2018-04-12 13:53:29

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    Cited by:

    1. Barney Hartman‐Glaser & Benjamin Hébert, 2020. "The Insurance Is the Lemon: Failing to Index Contracts," Journal of Finance, American Finance Association, vol. 75(1), pages 463-506, February.
    2. Adam M Guren & Timothy J McQuade, 2020. "How Do Foreclosures Exacerbate Housing Downturns?," Review of Economic Studies, Oxford University Press, vol. 87(3), pages 1331-1364.
    3. Piskorski, Tomasz & Seru, Amit, 2021. "Debt relief and slow recovery: A decade after Lehman," Journal of Financial Economics, Elsevier, vol. 141(3), pages 1036-1059.
    4. Adam M. Guren & Arvind Krishnamurthy & Timothy J. Mcquade, 2021. "Mortgage Design in an Equilibrium Model of the Housing Market," Journal of Finance, American Finance Association, vol. 76(1), pages 113-168, February.
    5. John Y. Campbell & Nuno Clara & João F. Cocco, 2021. "Structuring Mortgages for Macroeconomic Stability," Journal of Finance, American Finance Association, vol. 76(5), pages 2525-2576, October.
    6. Tomasz Piskorski & Alexei Tchistyi, 2017. "An Equilibrium Model of Housing and Mortgage Markets with State-Contingent Lending Contracts," NBER Working Papers 23452, National Bureau of Economic Research, Inc.
    7. Alexei Tchistyi, 2018. "An Equilibrium Model of Housing and Mortgage Markets with State-Contingent Lending Contracts," 2018 Meeting Papers 244, Society for Economic Dynamics.

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