| Summary: | 碩士 === 國立中興大學 === 會計學研究所 === 103 === Although the Sarbanes-Oxley Act have effectively reduced the probability of financial fraud, restatements still occur from time to time. The information asymmetry problems become more seriously due to the active business environment; besides, many accounting principles involve the professional judgment. That is the reason why auditors play an important role in the capital market. Therefore, the purpose of this research is studying on the effect of auditors’ independence and restatement type. Independence also can divide into substantial independence and appearance independence, and the substantial independence may cause more serious influence than appearance independence; so we investigate on the effect of auditor''s substantial independence and restatement type. We try to classify all the restatement samples into four category: fraud、accounting rule、error and others. The result is that not all the restatement cause from auditors’ substantial independence impairment. Sometimes it comes from adopting new accounting principle or contingency and so on. But it most likely lead to a restatement involved in management fraud when auditors loss their substantial independence. The reason is that managements may fraud by many different methods, and for fear that auditors issue the unfavorable opinions, they may purchasing the accounting principle by abnormally audit fee, and the economic bonding between auditors and their clients may cause auditors loss their independence. The abnormal audit fee may be the significant sign for fraud. Investee, audit committee and external regulatory agencies can strengthen more supervising on the relations between audit fee and audit quality.
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