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Shadow Insurance

Author

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  • Ralph S.J. Koijen
  • Motohiro Yogo

Abstract

Life insurers use reinsurance to move liabilities from regulated and rated companies that sell policies to shadow reinsurers, which are less regulated and unrated off-balance-sheet entities within the same insurance group. U.S. life insurance and annuity liabilities ceded to shadow reinsurers grew from $11 billion in 2002 to $364 billion in 2012. Life insurers using shadow insurance, which capture half of the market share, ceded 25 cents of every dollar insured to shadow reinsurers in 2012, up from 2 cents in 2002. By relaxing capital requirements, shadow insurance could reduce the marginal cost of issuing policies and thereby improve retail market efficiency. However, shadow insurance could also reduce risk-based capital and increase expected loss for the industry. We model and quantify these effects based on publicly available data and plausible assumptions.

Suggested Citation

  • Ralph S.J. Koijen & Motohiro Yogo, 2013. "Shadow Insurance," NBER Working Papers 19568, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:19568
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    References listed on IDEAS

    as
    1. Ralph S. J. Koijen & Motohiro Yogo, 2015. "The Cost of Financial Frictions for Life Insurers," American Economic Review, American Economic Association, vol. 105(1), pages 445-475, January.
    2. Ralph S.J. Koijen & Stijn Nieuwerburgh & Motohiro Yogo, 2016. "Health and Mortality Delta: Assessing the Welfare Cost of Household Insurance Choice," Journal of Finance, American Finance Association, vol. 71(2), pages 957-1010, April.
    3. Adiel, Ron, 1996. "Reinsurance and the management of regulatory ratios and taxes in the property--casualty insurance industry," Journal of Accounting and Economics, Elsevier, vol. 22(1-3), pages 207-240, October.
    4. Bo Becker & Victoria Ivashina, 2015. "Reaching for Yield in the Bond Market," Journal of Finance, American Finance Association, vol. 70(5), pages 1863-1902, October.
    5. Liran Einav & Amy Finkelstein & Paul Schrimpf, 2010. "Optimal Mandates and the Welfare Cost of Asymmetric Information: Evidence From the U.K. Annuity Market," Econometrica, Econometric Society, vol. 78(3), pages 1031-1092, May.
    6. Pozsar, Zoltan & Adrian, Tobias & Ashcraft, Adam B. & Boesky, Hayley, 2013. "Shadow banking," Economic Policy Review, Federal Reserve Bank of New York, issue Dec, pages 1-16.
      • Zoltan Pozsar & Tobias Adrian & Adam B. Ashcraft & Hayley Boesky, 2010. "Shadow banking," Staff Reports 458, Federal Reserve Bank of New York.
    7. Merrill, Craig B. & Nadauld, Taylor & Stulz, Rene M. & Sherlund, Shane M., 2012. "Did Capital Requirements and Fair Value Accounting Spark Fire Sales in Distressed Mortgage-Backed Securities?," Working Paper Series 2012-12, Ohio State University, Charles A. Dice Center for Research in Financial Economics.
    8. Acharya, Viral V. & Schnabl, Philipp & Suarez, Gustavo, 2013. "Securitization without risk transfer," Journal of Financial Economics, Elsevier, vol. 107(3), pages 515-536.
    9. Andrew Ellul & Chotibhak Jotikasthira & Christian T. Lundblad & Yihui Wang, 2012. "Is Historical Cost Accounting a Panacea? Market Stress, Incentive Distortions, and Gains Trading," FMG Discussion Papers dp701, Financial Markets Group.
    10. Froot, Kenneth A., 2001. "The market for catastrophe risk: a clinical examination," Journal of Financial Economics, Elsevier, vol. 60(2-3), pages 529-571, May.
    11. Stijn Van Nieuwerburgh & Motohiro Yogo & Ralph S.J. Koijen, 2009. "Optimal Health and Longevity Insurance," 2009 Meeting Papers 185, Society for Economic Dynamics.
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    Cited by:

    1. Behn, Markus Wilhelm & Haselmann, Rainer & Vig, Vikrant, 2014. "The limits of model-based regulation," IMFS Working Paper Series 82, Goethe University Frankfurt, Institute for Monetary and Financial Stability (IMFS).
    2. Mark Egan & Stefan Lewellen & Adi Sunderam, 2017. "The Cross Section of Bank Value," NBER Working Papers 23291, National Bureau of Economic Research, Inc.
    3. Matteo Benetton, 2017. "Lenders' Competition and Macro-prudential Regulation: A Model of the UK Mortgage Supermarket," 2017 Meeting Papers 1001, Society for Economic Dynamics.
    4. Stefan Lewellen & Adi Sunderam & Mark Egan, 2017. "The Cross Section of Bank Value," 2017 Meeting Papers 1283, Society for Economic Dynamics.

    More about this item

    JEL classification:

    • G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies; Actuarial Studies
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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