我国亏损上市公司盈余管理实证研究

Empirical Analysing for Earnings Management of loss Listed Companies

盈余管理对企业的发展产生有其特定的理论背景,结合国内外的研究状况对其进行了分析。选取上海A股市场上市公司财务数据,并划分为首亏样本和扭亏样本,以首亏样本财务数据研究亏损上市公司在首亏年度和首次亏损出现的前一年是否存在盈余管理;以扭亏样本研究扭亏年度的盈余管理行为。同时为这些样本选择了规模相近的控制样本,组成控制样本组,并选择迪安戈模型进行研究。研究结果显示,在t检验和威尔科森秩检验下数据均在不同显著性水平下通过检验。

Earnings management has a special theory basis ou enterprises development. In this article,I analyze the existing research and select samples from Shanghai stock market A, and divide the samples into first year lossing companies and making up the deficits companies. Using first year lossing financial data, I study whether there exist earnings management in the first loss year and the year before for a loss in business ;Also using the samples making up the deficits in the year, I study the behavior of earnings management. In the meantime, we also choose the similar scale control sample for these samples to constitute the control sample set combining the DeAngelo model on a research. Using T test and wilcoxon rank test, all the results pass the significance test in different levels.