我国上市公司IPO后的经营业绩变化——一种新的审计质量衡量方法

对独立审计质量的评判,可以采用一种新的审计质量衡量方法,即根据上市公司IPO后经营业绩的变化程度来衡量不同会计师事务所的审计质量。通过分析上市公司IPO后经营业绩变化的趋势,可以直接检验外部审计质量对IPO公司经营业绩变化的影响程度。检验结果表明,由"十大"和"非十大"审计的IPO公司的经营业绩(股权收益率)变化趋势具有显著性差异,核准制与审批制下IPO公司的经营业绩有显著性变化,而分别由"四大"合资所和本土大所审计的两组研究样本的经营业绩变化无显著差异。

Evidence from Management Performance of IPO Companies in China——The New Method of Audit Quality Valuation

The paper is a new investigation on the method of valuation audit quality which is one of the hottest concerns of accounting research.Based on the data about Chinese A-share IPO companies over period 2000-2002,this paper investigates the relationship between the management performance of IPO companies and audit quality.Consistent with the hypothesis that management performance of IPO companies is related with audit quality,the paper finds that(1) The management performance of IPO companies audited by the BigTen auditors are significantly distinct to those audited by the non-BigTen auditors;(2) The management performance of IPO companies over check system period are significantly distinct to those over approval system period;(3) The management performance of IPO companies audited by the international BigFour auditors are negatively distinct to those audited by the national big auditors.