文章以B股市场双重审计制度的废除为切入点,研究了管制的放松对审计市场效率的影响。结果显示,总体而言,投资者并未给予积极的反应,不过原先采用同一集团审计模式的公司其市场反应显著好于原先采用不同集团审计模式的公司。进一步研究发现,政策生效之后大部分B股公司放弃双重审计,审计费用随之大幅下降,同时先前实施不同集团审计模式的公司其审计质量和信息环境出现恶化,而原先实施同一集团审计模式的公司却没有发生显著变化。
The paper studies the effect of deregulation of dual audit in B-share market on audit market efficiency.The results show that,on the whole,investors do not actively respond to it.However,the market reaction of companies with the same group audit mode is better than the one of companies with the different group audit modes.Furthermore,the majority of B-share companies quit dual-audit model and the audit fees decrease greatly after the policy comes into effect.And audit qualities and information environment o...