Enron
Enron Accounting Fraud and Collapse
Estimated impact: $74B
Enron used special purpose entities and mark-to-market accounting to hide billions in debt and inflate profits. A culture of intimidation silenced internal dissent while the board repeatedly approved complex off-balance-sheet structures they did not fully understand, resulting in the largest corporate bankruptcy at the time.
Decision context
Whether to approve increasingly complex off-balance-sheet financing structures proposed by CFO Andrew Fastow, despite their opacity and conflict-of-interest concerns.
Biases present in the decision
Toxic combinations
- Echo Chamber
- Yes Committee
- Golden Child
Reference class base rates
Across all 146 curated case studies in our library:
Lessons learned
- Boards that defer to charismatic executives without independent scrutiny become rubber stamps for fraud.
- Confirmation bias in auditing relationships (Arthur Andersen) allowed accounting irregularities to persist for years.
- Whistleblower protections are essential; Sherron Watkins' warnings were ignored because the culture punished dissent.
Source: U.S. Senate Committee on Governmental Affairs, "The Role of the Board of Directors in Enron's Collapse" (2002) (Case Study)
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