Who were the key stakeholders involved in, or affected by, the collapse of Enron? How and to what degree were they hurt or helped by the actions of Enron management?

Considering all aspects of the case, what factor or factors do you believe most contributed to the collapse of Enron? In your answer, please consider both external and internal factors?

What steps should be taken now by corporate managers, stakeholders, and policy makers to prevent a similar event from occurring in the future?