审计任期与盈余管理关系实证分析——基于沪市A股市场的经验证据

Empirical study on the relationship between audit tenure and earnings management: evidence from A——share firms in Shanghai Stock Market

利用沪市A股市场上市公司的相关财务数据和审计资料,对签字会计师和会计师事务所这两者的审计任期与盈余管理的关系进行实证研究和理论分析,结果表明:我国实施签字会计师强制轮换制度有利于减少上市公司的盈余管理程度,我国的签字会计师轮换制度在一定程度上是有效的。会计师事务所审计任期与公司可操纵性应计利润的绝对值呈正U型关系,在事务所审计任期小于5年时,事务所审计任期的增加对减少上市公司年报中的盈余管理程度具有正面影响,即有利于增加盈余质量;在事务所审计任期超过5年时,事务所审计任期的增加对减少上市公司年报中的盈余管理程度具有负面影响,即可能降低盈余质量。

Based on the relative financial figures and the audit figures of the listed companies in Shanghai Stock Market in this research, and with the Undated Jones Model to estimate the discretionary accruals used to measure the earnings management space of the listed companies, tionship between audit tenure and earnings management. the authors conducted the empirical study on the relaWe prove that it is effective to reduce the earnings management of the listed companies by rotating the signing auditors in China. And we also find out that the relationship of audit tenure and the discretionary accruals presents to be U shape. Furthermore, when the audit tenure is less than 5 years, the increase of the audit tenure will have a positive impact on the decrease of the earnings management space of the listed companies. If the audit tenure is more than 5 years, the increase of the audit tenure will have a negative impact on the decrease of the earnings management space of the listed companies.