Research on peer effects in tax aggressiveness of listed companies 并列题名：Research on peer effects in tax aggressiveness of listed companies Research on earnings management of listed companies Research on real earnings management of listed companies Research on governance effects of internal audit function of listed companies Research on the debt financing structure of listed companies Research on the sustainable development of listed companies Research on information transparency of listed companies Research on the behavior of excessive bank loans of listed companies 并列题名：Research on governance effects of internal audit function of listed companies