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Were multinational banks taking excessive risks before the recent financial crisis?

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  • Mohamed Azzim Gulamhussen

    ()
    (Lisbon University Institute)

  • Carlos Pinheiro

    ()
    (Caixa Geral de Dep¢sitos)

  • Alberto Franco Pozzolo

    ()
    (University of Molise, Centro Studi Luca d'Agliano)

Abstract

The recent financial crisis has clearly shown that the relationship between bank internationalization and risk is complex. Multinational banks can benefit from portfolio diversification, reducing their overall riskiness, but this effect can be offset by incentives going in the opposite direction, leading them to take on excessive risks. Since both effects are grounded on solid theoretical arguments, the answer of what is the actual relationship between bank internationalization and risk is left to the empirical analysis. In this paper, we study such relationship in the period leading to the financial crisis of 2007-2008. For a sample of 384 listed banks from 56 countries, we calculate two measures of risk for the period from 2001 to 2007 - the expected default frequency (EDF), a market-based and forward-looking indicator, and the Z-score, a balance-sheet-based and backward-looking measure - and relate them to their degree of internationalization. We find robust evidence that international diversification increases bank risk.

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Bibliographic Info

Paper provided by Money and Finance Research group (Mo.Fi.R.) - Univ. Politecnica Marche - Dept. Economic and Social Sciences in its series Mo.Fi.R. Working Papers with number 69.

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Length: 31
Date of creation: May 2012
Date of revision:
Handle: RePEc:anc:wmofir:69

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Keywords: Banks; Economic integration; Market structure; Multinational banking; Risk;

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