There are different kinds of theories. The failure of personal ethics among companies like Enron and WorldCom led to the creation of the Sarbanes-Oxley Act.
The Sarbanes-Oxley Act is known to be created in 2002. It is called SOX or Sarbox.
This is known as a U.S. law that acts to protect investors from any kind of fraudulent accounting activities done by any corporations.
This Sarbanes-Oxley came about after a lot of major accounting scandals in the early 2000's done by firms such as Enron, Tyco, and WorldCom.
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