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A Theory of Liquidity and Regulation of Financial Intermediation

  • Emmanuel Farhi
  • Mikhail Golosov
  • Aleh Tsyvinski

This paper studies a Diamond-Dybvig model of providing insurance against unobservable liquidity shocks in the presence of unobservable trades. We show that competitive equilibria are inefficient. A social planner finds it beneficial to introduce a wedge between the interest rate implicit in optimal allocations and the economy's marginal rate of transformation. This improves risk sharing by reducing the attractiveness of joint deviations where agents simultaneously misrepresent their type and engage in trades on private markets. We propose a simple implementation of the optimum that imposes a constraint on the portfolio share that financial intermediaries invest in short-term assets. Copyright , Wiley-Blackwell.

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Paper provided by UCLA Department of Economics in its series Levine's Bibliography with number 321307000000000326.

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Date of creation: 02 Sep 2006
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Handle: RePEc:cla:levrem:321307000000000326
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  1. Alberto Bisin & John Geanakoplos & Piero Gottardi & Enrico Minelli & Heracles Polemarchakis, 2009. "Markets and Contracts," Working Papers 0915, University of Brescia, Department of Economics.
  2. Mikhail Golosov & Narayana Kocherlakota & Aleh Tsyvinski, 2003. "Optimal Indirect and Capital Taxation," Review of Economic Studies, Wiley Blackwell, vol. 70(3), pages 569-587, 07.
  3. Richard J. Arnott & Joseph E. Stiglitz, 1983. "Moral Hazard and Optimal Commodity Taxation," NBER Working Papers 1154, National Bureau of Economic Research, Inc.
  4. Mikhail Golosov, 2007. "Optimal Taxation With Endogenous Insurance Markets," The Quarterly Journal of Economics, MIT Press, vol. 122(2), pages 487-534, 05.
  5. Gary Gorton & Andrew Winton, 2002. "Financial Intermediation," Center for Financial Institutions Working Papers 02-28, Wharton School Center for Financial Institutions, University of Pennsylvania.
  6. Greenwald, Bruce C & Stiglitz, Joseph E, 1986. "Externalities in Economies with Imperfect Information and Incomplete Markets," The Quarterly Journal of Economics, MIT Press, vol. 101(2), pages 229-64, May.
  7. Edward C Prescott & Robert M Townsend, 2010. "Pareto Optima and Competitive Equilibria With Adverse Selection and Moral Hazard," Levine's Working Paper Archive 2069, David K. Levine.
  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. Merton, Robert C., 1977. "An analytic derivation of the cost of deposit insurance and loan guarantees An application of modern option pricing theory," Journal of Banking & Finance, Elsevier, vol. 1(1), pages 3-11, June.
  10. Allen, Franklin, 1985. "Repeated principal-agent relationships with lending and borrowing," Economics Letters, Elsevier, vol. 17(1-2), pages 27-31.
  11. Chiappori, Pierre-Andre & Macho, Ines & Rey, Patrick & Salanie, Bernard, 1994. "Repeated moral hazard: The role of memory, commitment, and the access to credit markets," European Economic Review, Elsevier, vol. 38(8), pages 1527-1553, October.
  12. Xavier Freixas & Jean-Charles Rochet, 1997. "Microeconomics of Banking," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061937, June.
  13. Richard Arnott & Joseph Stiglitz, 1986. "The Welfare Economics of Moral Hazard," Working Papers 635, Queen's University, Department of Economics.
  14. Stefania Albanesi, 2006. "Optimal Taxation of Entrepreneurial Capital with Private Information," NBER Working Papers 12419, National Bureau of Economic Research, Inc.
  15. Alberto Bisin & Adriano Rampini, 2006. "Exclusive contracts and the institution of bankruptcy," Economic Theory, Springer, vol. 27(2), pages 277-304, January.
  16. Hellwig, Martin, 1994. "Liquidity provision, banking, and the allocation of interest rate risk," European Economic Review, Elsevier, vol. 38(7), pages 1363-1389, August.
  17. Ricardo Caballero & Arvind Krishnamurthy, 2001. "Smoothing Sudden Stops," NBER Working Papers 8427, National Bureau of Economic Research, Inc.
  18. Diamond, Douglas W, 1997. "Liquidity, Banks, and Markets," Journal of Political Economy, University of Chicago Press, vol. 105(5), pages 928-56, October.
  19. Ernst-Ludwig VON THADDEN, 1998. "Liquidity Creation through Banks and Markets : Multiple Insurance and Limited Market Access," Cahiers de Recherches Economiques du Département d'Econométrie et d'Economie politique (DEEP) 9820, Université de Lausanne, Faculté des HEC, DEEP.
  20. Narayana R Kocherlakota, 2005. "Advances in Dynamic Optimal Taxation," Levine's Bibliography 784828000000000518, UCLA Department of Economics.
  21. Andrew Atkeson & Robert E Lucas, 2010. "On Efficient Distribution with Private Information," Levine's Working Paper Archive 2179, David K. Levine.
  22. Mikhail Golosov & Aleh Tsyvinski & Ivan Werning, 2007. "New Dynamic Public Finance: A User's Guide," NBER Chapters, in: NBER Macroeconomics Annual 2006, Volume 21, pages 317-388 National Bureau of Economic Research, Inc.
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  24. repec:cup:cbooks:9780521629560 is not listed on IDEAS
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