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The Effect of Implicit Deposit Insurance on Banks Portfolio Choices with an Application to International 'Overexposure'


  • George Penati
  • Aris Protopapadakis


We analyze the impact of ongoing FDIC deposit insurance practices on how banks price risk. We show that FDIC insurance generally subsidizes risky loans, and that the subsidy increases with risk. We also show that the FDIC subsidy increases if contractually uninsured deposits are insured implicitly. Implicit insurance has the perverse effect of biasing the subsidy towards loans that represent systemic risk to the banking system and may entail a tax to loans with no systemic risk. This analysis can help explain what appeared to be systematic underpricing of LDC loan risks, prior to the debt crisis.

Suggested Citation

  • George Penati & Aris Protopapadakis, "undated". "The Effect of Implicit Deposit Insurance on Banks Portfolio Choices with an Application to International 'Overexposure'," Rodney L. White Center for Financial Research Working Papers 19-86, Wharton School Rodney L. White Center for Financial Research.
  • Handle: RePEc:fth:pennfi:19-86

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