• Special Purpose Entities (SPEs): Enron used hundreds of off-balance-sheet entities (e.g., Chewco, LJM) to hide billions in toxic debt and artificially inflate earnings. 
  • Mark-to-Market Exploitation: Enron projected future cash flows from long-term contracts and booked them as current revenue on day one. When projects underperformed, they transferred losses to SPEs rather than adjusting income statements
  • Capitalization of Expenses: WorldCom classified over $3.8 billion in routine operating expenses (line costs paid to third-party telecom networks) as capital expenditures, falsifying net income. 

Internal Audit & Committee Failures
  • Arthur Andersen’s Conflict: The external auditor acted as Enron’s internal auditor simultaneously, creating a self-review bias where they audited their own work. 
  • Passive Audit Committees: Enron’s audit committee met infrequently and possessed limited financial literacy regarding complex structured finance vehicles. 
  • Suppressed Whistleblowers: Internal warnings from Sherron Watkins (Enron) and Cynthia Cooper (WorldCom) were initially ignored by management, forcing them to bypass normal reporting channels to expose the fraud.

Lehman Brothers: Risk-Taking & Liquidity Crises
Executive Risk-Taking
  • High Leverage Strategy: Lehman operated at a leverage ratio of 30:1, meaning it held only $1 of capital for every $30 of assets, leaving zero margin for asset valuation drops. 
  • Repo 105 Transactions: Lehman used temporary short-term repurchase agreements to systematically move $50 billion in liabilities off its balance sheet just before quarterly reports, creating a false impression of low leverage. 

Passive Board Oversight
  • Skillset Asymmetry: The board lacked deep, modern financial expertise in complex derivatives and subprime mortgage-backed securities (MBS).
  • Deference to Management: Directors failed to challenge CEO Richard Fuld’s aggressive growth strategies, ignoring internal risk managers who warned about concentration risks in commercial real estate.
  • Liquidity Blindness: The board monitored accounting solvency instead of structural liquidity, leaving the firm vulnerable when short-term funding markets froze overnight. [1]

Key Takeaways for Modern Boards
  • Substance Over Form: Compliance with statutory regulations (like the Sarbanes-Oxley Act) is insufficient if directors do not understand the economic reality of the business model.
  • Proactive Inquiry: Independent directors must possess the industry literacy required to interrogate management’s assumptions rather than acting as a rubber stamp.
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