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Adding stock option to management compensation portfolio is an effective mechanism in aligning the interests of managers with those of shareholders. But this mechanism may be noneffective since the self-dealing opportunism of managers. This thesis analyses the managers will undertake self-dealing opportunities by choosing time and content of information disclosure to affect the exercise price of stock...
A three-level access control model based on role, department and task is proposed in this paper. Task is one of the basic concepts in project management research area and department is one of the basic concepts in organizational structure theory. After introducing the concepts of task and department, this model regards them as independent authorization factor with role of the traditional RBAC96. This...
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