Decision IntelContinental Illinois National Bank
Continental Illinois Bank Bailout
Estimated impact: $4.5B FDIC bailout
Continental Illinois, the seventh-largest U.S. bank, collapsed after a run on wholesale deposits. The bank had purchased $1B in loan participations from Penn Square Bank without adequate due diligence, anchoring to Penn Square's reported quality metrics.
Decision context
Whether to continue purchasing energy loan participations from Penn Square Bank based on reported loan quality rather than independent underwriting review.
Decision anatomy
Red = risk factor present · Green = protective factor present
Biases present in the decision
★ Primary driver · Severity estimated from bias type and decision outcome
Toxic combinations
The curated library this case sits in
Across all 155 curated case studies in our library, by documented outcome:
The library is curated toward documented failures, so this split describes the library, not the base rate of deals. The case above is one row in it.
Lessons learned
- Cognitive misering in loan participation reviews — accepting counterparty representations without independent analysis — creates hidden concentration risk
- Wholesale funding dependence makes banks vulnerable to confidence-driven runs
- The phrase "too big to fail" entered the regulatory lexicon from this case, revealing systemic risk blind spots
Source: FDIC History of the Eighties, Vol. 1, Ch. 7: Continental Illinois (1997) (Case Study)
These patterns were flaggable in Continental Illinois National Bank's own record — before the outcome.
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Workflows that fire on decisions like Continental Illinois National Bank’s
The same Recognition-Rigor Framework that documents this case audits memos in the same shape — before the outcome forces the lesson.