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Unobservable savings, risk sharing and default in the financial system

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  • Panetti, Ettore

Abstract

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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Bibliographic Info

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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Keywords: financial intermediation; hidden savings; bankruptcy; insurance; optimal regulation;

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References

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  1. Gorton, Gary, 1988. "Banking Panics and Business Cycles," Oxford Economic Papers, Oxford University Press, vol. 40(4), pages 751-81, December.
  2. 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 Ashcraft & Hayley Boesky, 2010. "Shadow banking," Staff Reports 458, Federal Reserve Bank of New York.
  3. 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.
  4. Jean Tirole & Emmanuel Farhi, 2010. "Collective Moral Hazard, Maturity Mismatch, and Systemic Bailouts," 2010 Meeting Papers 822, Society for Economic Dynamics.
  5. Laurence Ales & Pricila Maziero, . "Non-exclusive Dynamic Contracts, Competition, and the Limits of Insurance," GSIA Working Papers 2010-E59, Carnegie Mellon University, Tepper School of Business.
  6. Harold L. Cole & Narayana R. Kocherlakota, 1999. "Efficient allocations with hidden income and hidden storage," Staff Report 238, Federal Reserve Bank of Minneapolis.
  7. Tsyvinski, A. & Golosov, M., 2004. "Optimal Taxation with Endogenous Insurance Markets," 2004 Meeting Papers 124, Society for Economic Dynamics.
  8. Emmanuel Farhi & Mikhail Golosov & Aleh Tsyvinski, 2008. "A Theory of Liquidity and Regulation of Financial Intermediation," Levine's Working Paper Archive 122247000000002006, David K. Levine.
  9. 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.
  10. Panetti, Ettore, 2011. "Financial liberalization and contagion with unobservable savings," MPRA Paper 29540, University Library of Munich, Germany.
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Cited by:
  1. Panetti, Ettore, 2011. "Financial liberalization and contagion with unobservable savings," MPRA Paper 29540, University Library of Munich, Germany.

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