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Unobservable savings, risk sharing and default in the financial system

  • Panetti, Ettore
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    In the present paper, I analyze how unobservable savings affect risk sharing and bankruptcy decisions in the financial system. I extend the Diamond and Dybvig (1983) model of financial intermediation to an environment with heterogeneous intermediaries, aggregate uncertainty and agents' hidden borrowing and lending. I demonstrate three results. First, unobservability imposes a burden on financial intermediaries, that in equilibrium are not able to offer a banking contract that balances insurance and incentive motivations. Second, unobservable markets do induce default, but only as long as insurance markets are incomplete. Therefore, their presence is not a rationale for government intervention on bankruptcy via "resolution regimes". Third, even in case of complete markets the competitive equilibrium is inefficient, and a simple tier-1 capital ratio similar to the one proposed in the Basel III Accord implements the efficient allocation.

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    File URL: https://mpra.ub.uni-muenchen.de/29542/1/MPRA_paper_29542.pdf
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    Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 29542.

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    Date of creation: 10 Feb 2011
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    Handle: RePEc:pra:mprapa:29542
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    1. Farhi, Emmanuel & Tirole, Jean, 2009. "Collective Moral Hazard, Maturity Mismatch and Systemic Bailouts," IDEI Working Papers 571, Institut d'Économie Industrielle (IDEI), Toulouse, revised Oct 2010.
    2. Emmanuel Farhi & Mikhail Golosov & Aleh Tsyvinski, 2006. "A Theory of Liquidity and Regulation of Financial Intermediation," Levine's Bibliography 321307000000000326, UCLA Department of Economics.
    3. Acharya, Viral V & Mehran, Hamid & Thakor, Anjan, 2012. "Caught between Scylla and Charybdis? Regulating bank leverage when there is rent-seeking and risk-shifting," CEPR Discussion Papers 8822, C.E.P.R. Discussion Papers.
    4. Panetti, Ettore, 2011. "Financial liberalization and contagion with unobservable savings," MPRA Paper 29540, University Library of Munich, Germany.
    5. Mikhail Golosov & Aleh Tsyvinski, 2006. "Optimal Taxation with Endogenous Insurance Markets," Levine's Bibliography 784828000000000445, UCLA Department of Economics.
    6. repec:oup:restud:v:68:y:2001:i:3:p:523-42 is not listed on IDEAS
    7. Gary Gorton, 1986. "Banking panics and business cycles," Working Papers 86-9, Federal Reserve Bank of Philadelphia.
    8. Franklin Allen & Douglas Gale, 2003. "Financial Intermediaries and Markets," Center for Financial Institutions Working Papers 00-44, Wharton School Center for Financial Institutions, University of Pennsylvania.
    9. 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.
    10. Pricila Maziero, 2009. "Non-Exclusive Dynamic Contracts, Competition, and the Limits of Insurance," 2009 Meeting Papers 509, Society for Economic Dynamics.
    11. Mikhail Golosov & Aleh Tsyvinski, 2007. "Optimal Taxation with Endogenous Insurance Markets," The Quarterly Journal of Economics, Oxford University Press, vol. 122(2), pages 487-534.
    12. Panetti, Ettore, 2014. "Financial liberalization and contagion with unobservable savings," International Review of Financial Analysis, Elsevier, vol. 36(C), pages 20-35.
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