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Contagion and risk-sharing on the inter-bank market

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  • Dan Ladley

Abstract

Increasing inter-bank lending has an ambiguous impact on financial stability. Two opposing effects have been identified: promoting stability through risk sharing and providing a channel through which contagion may spread. In this paper we identify the conditions under which each relationship holds. In response to large economy-wide shocks, greater numbers of inter-bank lending relationships are shown to worsen systemic events, however, for smaller shocks the opposite effect is observed. As such there is no optimal inter-bank market structure which maximizes stability under all conditions. In contrast, deposit insurance costs are always reduced under greater numbers of inter-bank lending relationships.

Suggested Citation

  • Dan Ladley, 2010. "Contagion and risk-sharing on the inter-bank market," Discussion Papers in Economics 11/10, Division of Economics, School of Business, University of Leicester, revised Jan 2013.
    • Handle: RePEc:lec:leecon:11/10
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    More about this item

    Keywords

    Keywords: Systemic risk; Inter-bank lending; Contagion; Regulation; Network;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques

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