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Do Depositors Monitor Banks?

  • Rajkamal Iyer
  • Manju Puri
  • Nicholas Ryan
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    We use unique micro-level depositor data for a bank that faced a run due to a shock to its solvency to study whether depositors monitor banks. Specifically, we examine depositor withdrawal patterns in response to a timeline of private and public signals of the bank's financial health. In response to a public announcement of the bank's financial troubles, we find depositors with uninsured balances, depositors with loan linkages and staff of the bank are far more likely to run. Even before the run, a regulatory audit, which was in principle private information, found the bank insolvent. We find that depositors act on this private information and withdraw in a pecking order beginning at the time of the regulatory audit, with staff moving first, followed by uninsured depositors and finally other depositors. By comparing the response to this fundamental shock with an earlier panic at the same bank, we argue that withdrawals in the fundamental run are due in part to monitoring by depositors though the monitoring appears to be more of regulatory signals rather than of fundamentals. Our results give sharp empirical evidence on the importance of fragility in a bank's capital structure and may inform banking regulation.

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    File URL: http://www.nber.org/papers/w19050.pdf
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    Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 19050.

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    Date of creation: May 2013
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    Handle: RePEc:nbr:nberwo:19050
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    1. Stephen Morris & Hyun Song Shin, 2002. "Social Value of Public Information," American Economic Review, American Economic Association, vol. 92(5), pages 1521-1534, December.
    2. Saunders, Anthony & Wilson, Berry, 1996. "Contagious Bank Runs: Evidence from the 1929-1933 Period," Journal of Financial Intermediation, Elsevier, vol. 5(4), pages 409-423, October.
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    12. Gary Gorton & Andrew Metrick, 2012. "Getting Up to Speed on the Financial Crisis: A One-Weekend-Reader's Guide," Journal of Economic Literature, American Economic Association, vol. 50(1), pages 128-50, March.
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