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Liquidity and Ambiguity: Banks or Asset Markets?

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Author Info
Jürgen Eichberger () (University of Heidelberg, Department of Economics)
Willy Spanjers () (Kingston University, School of Economics)
Abstract

We study the impact of ambiguity on two alternative institutions of financial intermediation in an economy where consumers face uncertain liquidity needs. The ambiguity the consumers experience is modeled by the degree of confidence in their additive beliefs. We analyze the optimal liquidity allocation and two institutional settings for implementing this allocation: a secondary asset market and a bank deposit contract. For full confidence we obtain the well-known result that consumers prefer the bank deposit contract over the asset market, since the former can provide the optimal cross subsidy for consumers with high liquidity needs. With increasing ambiguity this preference will be reversed: the asset market is preferred, since it avoids inefficient liquidation if the bank reserve holdings turn out to be suboptimal.

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Publisher Info
Paper provided by University of Heidelberg, Department of Economics in its series Working Papers with number 0444.

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Length: 39 pages
Date of creation: Jun 2007
Date of revision: Jun 2007
Handle: RePEc:awi:wpaper:0444

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Related research
Keywords: Financial institutions; Liquidity; Ambiguity; Choquet Expected Utility.;

Find related papers by JEL classification:
D8 - Microeconomics - - Information, Knowledge, and Uncertainty
G1 - Financial Economics - - General Financial Markets
G2 - Financial Economics - - Financial Institutions and Services

This paper has been announced in the following NEP Reports:

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Chateauneuf, Alain & Eichberger, Jürgen & Grant, Simon, 2003. "Choice under Uncertainty with the Best and Worst in Mind: Neo-additive Capacities," Sonderforschungsbereich 504 Publications 03-10, Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim. [Downloadable!]
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  2. David Kelsey & Willy Spanjers, 2004. "Ambiguity in Partnerships," Economic Journal, Royal Economic Society, vol. 114(497), pages 528-546, 07. [Downloadable!] (restricted)
  3. Diamond, Douglas W, 1997. "Liquidity, Banks, and Markets," Journal of Political Economy, University of Chicago Press, vol. 105(5), pages 928-56, October.
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  4. Schmeidler, David, 1989. "Subjective Probability and Expected Utility without Additivity," Econometrica, Econometric Society, vol. 57(3), pages 571-87, May. [Downloadable!] (restricted)
  5. Ghirardato, Paolo & Marinacci, Massimo, 2002. "Ambiguity Made Precise: A Comparative Foundation," Journal of Economic Theory, Elsevier, vol. 102(2), pages 251-289, February. [Downloadable!] (restricted)
  6. Franklin Allen & Douglas Gale, 1998. "Optimal Financial Crises," Journal of Finance, American Finance Association, vol. 53(4), pages 1245-1284, 08. [Downloadable!] (restricted)
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  7. V.V. Chari & Ravi Jagannathan, 1984. "Banking Panics," Discussion Papers 618, Northwestern University, Center for Mathematical Studies in Economics and Management Science. [Downloadable!]
  8. Jacklin, Charles J & Bhattacharya, Sudipto, 1988. "Distinguishing Panics and Information-Based Bank Runs: Welfare and Policy Implications," Journal of Political Economy, University of Chicago Press, vol. 96(3), pages 568-92, June. [Downloadable!] (restricted)
  9. Sarin, Rakesh K & Wakker, Peter, 1992. "A Simple Axiomatization of Nonadditive Expected Utility," Econometrica, Econometric Society, vol. 60(6), pages 1255-72, November. [Downloadable!] (restricted)
  10. Subrata Ghatak & Willy Spanjers, 2007. "Monetary policy rules in transition economies: the impact of ambiguity," International Journal of Development Issues, Emerald Group Publishing, vol. 6(1), pages 26-37, June. [Downloadable!] (restricted)
  11. Eichberger, J. & Kelsey, D., 1996. "E-Capacities and the Ellsberg Paradox," Discussion Papers 96-13, Department of Economics, University of Birmingham.
  12. Douglas W. Diamond & Philip H. Dybvig, 2000. "Bank runs, deposit insurance, and liquidity," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Win, pages 14-23. [Downloadable!]
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  13. Marinacci, Massimo, 2000. "Ambiguous Games," Games and Economic Behavior, Elsevier, vol. 31(2), pages 191-219, May. [Downloadable!] (restricted)
  14. Franklin Allen & Douglas Gale, 2004. "Financial Intermediaries and Markets," Econometrica, Econometric Society, vol. 72(4), pages 1023-1061, 07. [Downloadable!] (restricted)
    Other versions:
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