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A model to analyse financial fragility: applications


  • Goodhart, Charles A. E.
  • Sunirand, Pojanart
  • Tsomocos, Dimitrios P.


The purpose of our work is to explore contagious financial crises. To this end, we use simplified, thus numerically solvable, versions of our general model [Goodhart, Sunirand and Tsomocos (2003)]. The model incorporates heterogeneous agents, banks and endogenous default, thus allowing various feedback and contagion channels to operate in equilibrium. Such a model leads to different results from those obtained when using a standard representative agent model. For example, there may be a trade-off between effciency and financial stability, not only for regulatory policies, but also for monetary policy. Moreover, agents which have more investment opportunities can deal with negative shocks more e?ectively by transferring ‘negative externalities’ onto others.
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Suggested Citation

  • Goodhart, Charles A. E. & Sunirand, Pojanart & Tsomocos, Dimitrios P., 2004. "A model to analyse financial fragility: applications," Journal of Financial Stability, Elsevier, vol. 1(1), pages 1-30, September.
  • Handle: RePEc:eee:finsta:v:1:y:2004:i:1:p:1-30

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    References listed on IDEAS

    1. Geanakoplos, J. D. & Tsomocos, D. P., 2002. "International finance in general equilibrium," Research in Economics, Elsevier, vol. 56(1), pages 85-142, June.
    2. Tsomocos, Dimitrios P., 2003. "Equilibrium analysis, banking, contagion and financial fragility," LSE Research Online Documents on Economics 24826, London School of Economics and Political Science, LSE Library.
    3. Eva Catarineu-Rabell & Patricia Jackson & Dimitrios Tsomocos, 2005. "Procyclicality and the new Basel Accord - banks’ choice of loan rating system," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 26(3), pages 537-557, October.
    4. Charles Goodhart & Pojanart Sunirand & Dimitrios Tsomocos, 2006. "A model to analyse financial fragility," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 27(1), pages 107-142, January.
    5. M. Shubik & D. Tsomocos, 1992. "A strategic market game with a mutual bank with fractional reserves and redemption in gold," Journal of Economics, Springer, vol. 55(2), pages 123-150, June.
    6. DREZE, Jacques & POLEMARCHAKIS, Heracles, 1995. "Monetary equilibria," CORE Discussion Papers 1995078, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    7. Tsomocos, Dimitrios P., 2003. "Equilibrium analysis, banking and financial instability," Journal of Mathematical Economics, Elsevier, vol. 39(5-6), pages 619-655, July.
    8. Tobin, James, 1982. " The Commercial Banking Firm: A Simple Model," Scandinavian Journal of Economics, Wiley Blackwell, vol. 84(4), pages 495-530.
    9. Lucas, Robert E, Jr & Stokey, Nancy L, 1987. "Money and Interest in a Cash-in-Advance Economy," Econometrica, Econometric Society, vol. 55(3), pages 491-513, May.
    10. Pradeep Dubey & John Geanakoplos & Martin Shubik, 2000. "Default in a General Equilibrium Model with Incomplete Markets," Cowles Foundation Discussion Papers 1247, Cowles Foundation for Research in Economics, Yale University.
    11. Lucas, Robert Jr., 1990. "Liquidity and interest rates," Journal of Economic Theory, Elsevier, vol. 50(2), pages 237-264, April.
    12. Charles Goodhart, 1989. "Money, Information and Uncertainty: 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 0262071223, July.
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    More about this item

    JEL classification:

    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • G1 - Financial Economics - - General Financial Markets
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates
    • G2 - Financial Economics - - Financial Institutions and Services


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