This paper also analyzes the fore - and - aft behaviors of earnings and rising ability about different chinese listed companies with reverse change in p / e ratio . through analyzing the net profit and operating cash flow variation trend of sample and control sample companies , this paper finds that the performance of the company with 3a after the reverse change in p / e ratio 通过样本与控制样本净利润和经营活动现金流差异的趋势分析,发现3a公司在市盈率反转后表现稍逊于反转前,基本上反映了3a公司进行的是投机性的盈余管理行为; 3d公司在市盈率反转后表现优于反转前,也说明了3d公司进行的是信息发放性的盈余管理行为。
That should be pointed is that due to different accounting standards provided for the listing companies every - year such as " debt restructuring " and " non - monetary transaction " , our test was implemented on different taking - off - regulation period . our results under the deangelo model and the industry model two showed that there existed earnings management hi these 31 listing companies . to our surprise , the means of management were not by the current accruals as expected 通过对这31家样本公司每单位资产的主观应计利润、流动性应计利润、挣利润、经营活动现金净流量和主营业务收入平均数和中位数的统计检验，我们发现，在deaneelo模型和调整的行业模型(二)下，本文提出的假设一和假设二得到了证实，而假设三没能通过检验。
