Section 404 of the Sarbanes-Oxley Act (SOX) requires every company to report on the effectiveness of internal controls over financial reporting. Section 404 has arguably been the most controversial provision of SOX, with many registrants complaining that the high cost of compliance outweighs its...

We document that accrual-based earnings management increased steadily from 1987 until the passage of the Sarbanes Oxley Act (SOX) in 2002, followed by a significant decline after the passage of SOX. Conversely, the level of real earnings management activities declined prior to SOX and increased...