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A Model to Analyse Financial Fragility

Author

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

Abstract

This paper sets out a tractable model which illuminates problems relating to individual bank behaviour, to possible contagious inter-relationships between banks, and to the appropriate design of prudential requirements and incentives to limit `excessive' risk-taking. Our model is rich enough to include heterogeneous agents, endogenous default, and multiple commodity, and credit and deposit markets. Yet, it is simple enough to be effectively computable and can therefore be used as a practical framework to analyse financial fragility. Financial fragility in our model emerges naturally as an equilibrium phenomenon. Among other results, a non-trivial quantity theory of money is derived, liquidity and default premia co-determine interest rates, and both regulatory and monetary policies have non-neutral effects. The model also indicates how monetary policy may affect financial fragility, thus highlighting the trade-off between financial stability and economic efficiency.

Suggested Citation

  • Charles A.E. Goodhart & Pojanart Sunirand & Dimitrios P. Tsomocos, 2003. "A Model to Analyse Financial Fragility," OFRC Working Papers Series 2003fe13, Oxford Financial Research Centre.
    • Handle: RePEc:sbs:wpsefe:2003fe13
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    References listed on IDEAS

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    1. Geanakoplos, J. D. & Tsomocos, D. P., 2002. "International finance in general equilibrium," Research in Economics, Elsevier, vol. 56(1), pages 85-142, June.
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    More about this item

    JEL classification:

    • F3 - International Economics - - International Finance
    • G3 - Financial Economics - - Corporate Finance and Governance
    • J1 - Labor and Demographic Economics - - Demographic Economics

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