The Enron Scandal: Case Study, Timeline and Ethics Lessons

The Enron scandal is the standard example of accounting fraud in business ethics, auditing and finance courses. In 2001, a Houston energy company that had reported $100.8 billion in revenue the year before collapsed into bankruptcy less than seven weeks after it began admitting that its profits and debts were not what it had told investors. Its auditor, Arthur Andersen, went down with it.

Below you will find a short summary, a plain explanation of the accounting, a dated timeline, the people involved, how the fraud came out and a step-by-step plan for your own paper. Every fact comes from court records, government reports or Enron's SEC filings, the same sources your professor wants you to cite.

Enron Scandal Summary: What Happened in Brief

The Enron scandal was a corporate fraud in which top executives used aggressive accounting and insider-run partnerships to make Enron look more profitable and less indebted than it was. Prosecutors described a scheme, running from at least 1999 to 2001, that hid write-offs and debt and helped push the stock from about $30 a share in early 1998 to over $80 in January 2001, according to the Justice Department's announcement of the Lay and Skilling verdicts.

When Enron started admitting its problems in October 2001, lenders and investors lost faith within weeks. Here is the Enron scandal summary in one table.

What Was Enron?

Enron was a natural gas pipeline company that remade itself into an energy trader. It was created in 1985 when Houston Natural Gas, run by Kenneth Lay, combined with Omaha-based InterNorth. Through the 1990s it built a business buying and selling contracts to deliver gas, electricity and other energy, then pushed into broadband and international projects.

A US Senate investigations subcommittee report later described Enron as the seventh-largest public company in the country and explained the pressure behind the fraud. Trading needed constant credit, credit depended on an investment-grade rating, and so Enron worked to raise cash flow, lower reported debt and smooth its earnings.

What Did Enron Do? The Accounting Tricks Explained

Enron booked profits years before it earned them and moved debt and losses into entities it effectively controlled, so its statements looked far healthier than the business underneath. If the mechanics feel slippery, our accounting homework help tutors can walk you through fair value and consolidation rules.

Mark-to-Market Accounting Stretched Too Far

Mark-to-market accounting records a contract at its current estimated value and books any change in that value as profit or loss. Enron's 2000 annual report on Form 10-K said unrealized gains from "newly originated contracts" were counted as revenue. That works for instruments with real market prices. For long-term contracts with no market price, the "value" becomes management's own forecast.

Here is a simplified illustration, not an actual Enron contract. A company signs a 10-year deal it expects to earn $2 million a year and discounts those profits at 10%.

Two things follow. The company must sign bigger deals every year to keep reported growth going, and whoever picks the forecast and discount rate effectively picks the profit. The Senate subcommittee found that Enron's board "knowingly allowed Enron to engage in high risk accounting practices." It also quoted a February 2001 Andersen email in which senior partners discussed Enron's "[mark-to-market] earnings and the fact that it was 'intelligent gambling.'"

Special Purpose Entities and the 3% Rule

A special purpose entity (SPE) is a separate legal vehicle set up for one job, such as holding assets or carrying out a hedge. The Powers Report, written by a special committee of Enron's own board, explains that a company could treat an SPE as an outside party, keeping its debts off the balance sheet, only if two conditions were met:

1. An independent owner made a substantive equity investment of at least 3% of the SPE's assets, and that money stayed at risk.
2. That independent owner actually controlled the SPE.

Enron's problem was that the "outside" money often was not truly outside or at risk. The Powers Report said many of the most significant transactions "apparently were designed to accomplish favorable financial statement results, not to achieve bona fide economic objectives or to transfer risk."

Chewco, LJM and the Raptors

• Chewco (1997). Chewco bought an outside partner's stake in JEDI, an Enron investment partnership. It was managed by Michael Kopper, who reported to Fastow, and never had enough qualifying outside equity. In a November 8, 2001 SEC filing, Enron admitted that Chewco and JEDI should have been consolidated from November 1997.
• LJM1 and LJM2 (1999 and 2000). These funds were run by Fastow while he was still CFO, which required the board to waive Enron's code of conduct. Enron later admitted that an LJM1 subsidiary used to hedge its Rhythms NetConnections stake should have been consolidated from 1999.
• The Raptors (2000). Each of these four vehicles got $30 million of "outside" equity from LJM2 and was meant to hedge losses on Enron's merchant investments. In three of the four, the ability to pay came from Enron stock, or contracts for it, that Enron itself had transferred in. As the Powers Report put it, "In effect, Enron was hedging risk with itself."

When Enron's merchant investments lost value in late 2000 and early 2001, its own stock fell too, so the Raptors could not cover what they owed. The Powers Report found that from the third quarter of 2000 through the third quarter of 2001, the Raptors let Enron avoid reporting almost $1 billion in losses. Without the $1.1 billion of Raptor income, pre-tax earnings for those five quarters fall from $1.5 billion to $429 million, a 72% drop.

Hidden Debt and Insiders Who Profited

Keeping SPEs off the books kept their debt off the books too. An October 2000 presentation to the board's finance committee showed Enron with $60 billion in assets, about $27 billion of them held by "unconsolidated affiliates," according to the Senate report.

Enron's November 2001 restatement cut reported net income for 1997 through 2000 by $591 million and added $628 million of debt to its 2000 balance sheet. You will often see $586 million quoted; that figure nets in small 2001 adjustments. The Powers Report also found that Fastow made at least $30 million from the partnerships and Kopper at least $10 million.

Who Was Involved in the Enron Case?

The Enron case centered on a few senior executives, but the board and the auditor played major roles too. The FBI's history of the investigation reports that 22 people were convicted, including Enron's CEO, president, CFO, treasurer and chief accounting officer.

Enron Scandal Timeline: Key Dates, 1985 to 2019

The Enron scandal timeline runs from the 1985 merger to Skilling's release in 2019, but the collapse itself took about seven weeks in late 2001.

How Did Enron Get Caught?

Enron got caught through pressure from several directions at once: investors who could not see how it made money, an insider who warned the chairman, reporters who dug into the partnerships and, finally, Enron's own forced disclosures. No single person "caught" Enron, which is a good analytical point to make in a paper.

Skeptics Asked How Enron Made Money

Short seller Jim Chanos began betting against Enron in November 2000. In remarks to the House of Representatives in February 2002, he said Enron's return on capital was about 7% before taxes while its cost of capital was probably closer to 9%, so it was not really earning money on an economic basis.

On March 5, 2001, Fortune ran Bethany McLean's article "Is Enron Overpriced?" It asked a blunt question: "How exactly does Enron make its money?" McLean noted the stock traded at roughly 55 times trailing earnings, compared with 17 times for Goldman Sachs.

Sherron Watkins Warned the Chairman

Shortly after Skilling's resignation was announced on August 14, 2001, Sherron Watkins, a vice president who had spent eight years at Andersen, sent Lay a one-page anonymous letter about the Raptor and Condor deals. It included the line now quoted in nearly every Enron paper: "I am incredibly nervous that we will implode in a wave of accounting scandals." You can read the letter as a trial exhibit on the Justice Department's website.

Watkins met Lay on August 22. According to the Powers Report, Lay and the general counsel then asked Vinson & Elkins, Enron's longtime law firm, for a preliminary review, even though the firm had worked on the Raptor and LJM deals. The review was not to question Andersen's accounting advice, a conflicted setup worth discussing in any ethics paper.

Reporters and Enron's Own Disclosures

Wall Street Journal reporters Rebecca Smith and John Emshwiller were pressing Enron about the LJM2 partnership by late September 2001, and on October 19 the Journal reported that Fastow's partnership had made millions from deals with Enron.

The final blows came from Enron itself. On October 16 it reported a $618 million third-quarter loss, including a $544 million after-tax charge tied to LJM2, and cut shareholders' equity by $1.2 billion. On November 8 it restated its results and revealed that Fastow had received more than $30 million from the LJM funds. Dynegy, a Houston rival, agreed to buy Enron the next day, but on November 28 Standard & Poor's cut Enron's debt to junk and Dynegy walked away. Enron's trading business depended on an investment-grade rating, and the company filed for bankruptcy four days later.

What Happened After the Enron Accounting Scandal?

The Enron accounting scandal ended in bankruptcy, a five-year federal prosecution, the collapse of Arthur Andersen and billions of dollars in civil settlements.

Criminal Prosecutions

The Justice Department's Enron Task Force combined federal prosecutors with FBI and IRS agents. Its biggest trial, against Lay and Skilling, ran 56 days in Houston. Skilling was sentenced to 292 months and ordered to forfeit about $45 million toward restitution, according to the Justice Department's sentencing release.

In 2010, the Supreme Court ruled in Skilling v. United States that "honest services" fraud covers only bribery and kickback schemes, which undercut one theory used at his trial. In 2013 he was resentenced to 168 months under an agreement that freed about $42 million for victims. Fastow, who cooperated with prosecutors, received six years.

Arthur Andersen's Conviction and Reversal

As Enron's problems became public in 2001, Andersen instructed employees to destroy documents under its document retention policy. A jury convicted the firm of obstruction of justice in June 2002, and Andersen stopped auditing public companies that August. In 2005, a unanimous Supreme Court reversed the conviction in Arthur Andersen LLP v. United States, holding that the jury instructions did not properly explain what "corrupt persuasion" requires, including awareness of wrongdoing. By then the firm could not be revived.

Employees and Shareholders

Enron's stock became virtually worthless, and thousands of workers lost their jobs, according to the Justice Department. Many employees also held Enron shares in their retirement accounts, so they lost their jobs and much of their savings together. Shareholders, led by the Regents of the University of California, pursued Enron's executives, banks, accountants and lawyers. In September 2008, a federal judge approved distributing about $7.2 billion recovered in that case.

The Sarbanes-Oxley Act of 2002 and Other Reforms

Congress's main answer to Enron, and to WorldCom's collapse months later, was the Sarbanes-Oxley Act, signed on July 30, 2002. Its major sections line up with failures you can point to in the Enron case.

The law has critics, who argue that Section 404 compliance costs fall hardest on smaller companies. The 2010 Dodd-Frank Act permanently exempted smaller public companies from the outside-auditor attestation part of Section 404. If you are asked whether Sarbanes-Oxley worked, weigh those costs against the gains.

Ethics Lessons from Enron

The main ethics lesson from Enron is that the fraud grew out of ordinary pressures, incentives and conflicts that no one with authority stopped. Each lesson below comes with evidence you can cite.

1. Incentives shape behavior. The Senate subcommittee found that Enron paid executives almost $750 million in cash bonuses for 2000, a year when its entire net income was $975 million, and that apparently no one on the compensation committee had added up the numbers.
2. Conflicts of interest need real controls. The board waived the code of conduct so the CFO could run partnerships that traded with Enron, then failed to make sure the promised controls worked. The LJM partnerships realized "hundreds of millions of dollars in profits at Enron's expense," the subcommittee said.
3. Gatekeepers must stay independent. Andersen earned more from consulting for Enron than from auditing it and helped structure the Raptor deals it then audited. The Powers Report said the evidence "suggests that Andersen did not fulfill its professional responsibilities."
4. Substance should beat form. Many structures fit the letter of accounting rules while defeating their purpose. Ask what a deal does economically, not only whether it clears a technical test.
5. Boards have to ask questions. The subcommittee found the board "witnessed numerous indications of questionable practices by Enron management over several years, but chose to ignore them."
6. A code on paper is not a culture. Enron had a written code of ethics, and the FBI keeps a 2000 copy in its history collection. A code means little when leaders can waive it for themselves.

Applying Ethical Frameworks to the Enron Case

How to Write an Enron Case Study Analysis

A strong Enron case study analysis picks one lens, builds on primary sources and argues a clear position instead of retelling the story. Work through these steps.

1. Pin down the lens. Accounting courses want the mechanics. Ethics courses want decisions and responsibility. Governance or law courses want the board, the auditor and Sarbanes-Oxley.
2. Build your fact base from primary sources. Start with the Powers Report, the Senate subcommittee report, Enron's November 8, 2001 filing, Justice Department releases and the Supreme Court's Andersen opinion. Summary websites contain errors, so check every date and number.
3. Write a thesis that takes a position. See the examples below, and use our guide on how to write a thesis statement if yours still reads like a summary.
4. Analyze with a framework. Use an ethics framework, the fraud triangle (pressure, opportunity and rationalization) or a stakeholder map, and back each point with evidence.
5. Evaluate alternatives. Ask what the board, Andersen or Lay could have done differently at specific moments, such as the LJM waivers or the August 2001 review.
6. Recommend and cite. Tie your recommendations to specific Sarbanes-Oxley sections, and format reports and court opinions correctly with our APA style guide.

Enron Case Study Outline Template

Sample Thesis Statements

• Accounting: "Enron's collapse was less a failure of accounting rules than a failure to follow them, as management and its auditor used the 3% SPE test to move billions of dollars of activity off the balance sheet without transferring real risk."
• Ethics: "Enron's fraud was enabled by a board that approved conflicts of interest and a bonus system that paid for reported earnings, which shows that codes of ethics fail when leaders can waive them."
• Governance: "Sarbanes-Oxley fixed the auditor-independence and certification failures exposed by Enron, but it could not remove the cultural pressures that drove them."

Common Mistakes in Enron Papers

• Saying Lay was sentenced to prison. He died before sentencing, and his convictions were vacated.
• Dating Skilling's conviction to 2011. He was convicted in 2006, and his sentence was reduced in 2013.
• Calling mark-to-market accounting illegal. Enron's estimates and disclosures were the problem, not the method.
• Leaving out the Supreme Court's reversal of Andersen's conviction.
• Saying Sarbanes-Oxley created independent boards. It created the PCAOB to oversee auditors and required independent audit committees.

For more on structuring finance and accounting papers, see our accounting essay guide, or get help with case-analysis frameworks through our business assignment help page. If you want a tutor to explain the accounting or give feedback on your own draft, you can book a one-on-one session.

Frequently Asked Questions

When Was the Enron Scandal?

The Enron scandal broke in the fall of 2001. On October 16, 2001, Enron reported a $618 million quarterly loss and a $1.2 billion cut to shareholders' equity. It restated its results back to 1997 on November 8 and filed for bankruptcy on December 2, 2001. Prosecutors said the fraud ran from at least 1999, and the main criminal trial ended in convictions in May 2006.

What Was the Main Cause of the Enron Scandal?

The main cause was management using accounting to hide Enron's real financial condition. Executives booked profits early through optimistic mark-to-market estimates and used special purpose entities, many tied to CFO Andrew Fastow, to keep debt off the balance sheet and mask investment losses. Weak board oversight, an auditor that also earned large consulting fees and bonus plans that rewarded reported earnings let it continue.

Did Anyone Go to Prison for the Enron Scandal?

Yes. The FBI reports that 22 people were convicted. Jeffrey Skilling's sentence was cut from about 24 years to 14 years, and he left federal custody in February 2019. Andrew Fastow was sentenced to six years and Richard Causey to 66 months. Kenneth Lay was convicted but died in July 2006 before sentencing, so his convictions were vacated and he never served time.

Why Did Arthur Andersen Go Out of Business?

Arthur Andersen collapsed after a jury convicted it in June 2002 of obstruction of justice tied to destroying Enron-related documents. The firm stopped auditing public companies at the end of August 2002. The Supreme Court unanimously reversed the conviction in 2005 because the jury instructions were flawed, but by then Andersen had lost its audit business and could not be rebuilt.

Is Mark-to-Market Accounting Illegal?

No. Mark-to-market, or fair value, accounting is a legitimate method that records contracts and investments at their current estimated value, and trading firms use it every day. Enron's problem was applying it to long-term deals with no reliable market prices, so reported profit depended on management's own forecasts. That made earnings easy to inflate and hard for outsiders to check.

Who Was the Enron Whistleblower?

Sherron Watkins, an Enron vice president who had spent eight years at Arthur Andersen, is the best-known Enron whistleblower. In August 2001 she sent Kenneth Lay an anonymous letter warning that Enron could "implode in a wave of accounting scandals," then met him in person. She testified to Congress in 2002, and Time named her one of its 2002 Persons of the Year.