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Liquidity and Ambiguity: Banks or Asset Markets?

  • Jürgen Eichberger

    ()

    (University of Heidelberg, Department of Economics)

  • Willy Spanjers

    ()

    (Kingston University, School of Economics)

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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File URL: http://www.uni-heidelberg.de/md/awi/forschung/dp444.pdf
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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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  1. Krugman, Paul (ed.), 2007. "Currency Crises," National Bureau of Economic Research Books, University of Chicago Press, edition 0, number 9780226454641.
  2. 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.
  3. Douglas W. Diamond, . "Liquidity, Banks and Markets," CRSP working papers 326, Center for Research in Security Prices, Graduate School of Business, University of Chicago.
  4. 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.
  5. Schmeidler, David, 1989. "Subjective Probability and Expected Utility without Additivity," Econometrica, Econometric Society, vol. 57(3), pages 571-87, May.
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  7. Ross Levine, 1999. "Financial development and growth: where do we stand?," Estudios de Economia, University of Chile, Department of Economics, vol. 26(2 Year 19), pages 113-136, December.
  8. Eichberger, Jurgen & Grant, Simon & Kelsey, David, 2007. "Updating Choquet beliefs," Journal of Mathematical Economics, Elsevier, vol. 43(7-8), pages 888-899, September.
  9. David Kelsey & Willy Spanjers, 2004. "Ambiguity in Partnerships," Economic Journal, Royal Economic Society, vol. 114(497), pages 528-546, 07.
  10. Jürgen Eichberger & David Kelsey, 1999. "E-Capacities and the Ellsberg Paradox," Theory and Decision, Springer, vol. 46(2), pages 107-138, April.
  11. 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.
  12. Ghirardato, Paolo & Marinacci, Massimo, 2002. "Ambiguity Made Precise: A Comparative Foundation," Journal of Economic Theory, Elsevier, vol. 102(2), pages 251-289, February.
  13. Franklin Allen & Douglas Gale, 2004. "Financial Intermediaries and Markets," Econometrica, Econometric Society, vol. 72(4), pages 1023-1061, 07.
  14. V.V. Chari & Ravi Jagannathan, 1984. "Banking Panics," Discussion Papers 618, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  15. Franklin Allen & Douglas Gale, 1976. "Optimal Financial Crises," Center for Financial Institutions Working Papers 97-01, Wharton School Center for Financial Institutions, University of Pennsylvania.
  16. Marinacci, Massimo, 2000. "Ambiguous Games," Games and Economic Behavior, Elsevier, vol. 31(2), pages 191-219, May.
  17. Ghatak, Subrata & Spanjers, Willem, 2007. "Monetary policy rules in transition economies: the impact of ambiguity," Economics Discussion Papers 2007-2, School of Economics, Kingston University London.
  18. Sarin, Rakesh K & Wakker, Peter, 1992. "A Simple Axiomatization of Nonadditive Expected Utility," Econometrica, Econometric Society, vol. 60(6), pages 1255-72, November.
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