1. Moral responsibility: Some authors have a strong sense of moral responsibility, and they think it is very important to maintain academic integrity and justice. If the author finds students plagiarizing, tampering or taking other dishonest actions, they may think that reporting is necessary to fulfill their moral obligations.

2. Maintain reputation: the author of the paper usually wants to maintain integrity and reputation in the academic world. If their students are found to be dishonest, the writer's reputation may also be damaged. Therefore, in order to maintain their reputation and credibility, writers may choose to report students.

3. Abide by laws and regulations: In some countries or regions, dishonest behaviors such as ghostwriting and plagiarism may be considered illegal. Writers may worry that if they do not report these acts, they may face legal responsibility. Therefore, in order to comply with laws and regulations, writers may choose to report students.