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Interbank contagion at work: evidence from a natural experiment

  • Iyer, Rajkamal
  • Peydró, José-Luis

This paper tests financial contagion due to interbank linkages. For identification we exploit an idiosyncratic, sudden shock caused by a large-bank failure in conjunction with detailed data on interbank exposures. First, we find robust evidence that higher interbank exposure to the failed bank leads to large deposit withdrawals. Second, the magnitude of contagion is higher for banks with weaker fundamentals. Third, interbank linkages among surviving banks further propagate the shock. Finally, we find results suggesting that there are real economic effects. These results suggest that interbank linkages act as an important channel of contagion and hold important policy implications. JEL Classification: G21, G28, E58

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Paper provided by European Central Bank in its series Working Paper Series with number 1147.

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Date of creation: Jan 2010
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Handle: RePEc:ecb:ecbwps:20101147
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