Empirical study on earnings management of listed companies in China Research on earnings management of listed companies Research on real earnings management of listed companies an empirical study based on a-share listed companies in China empirical research based on listed companies in China Theoretical and empirical study on financing preference of listed companies in China 并列题名:Theoretical and empirical study on financing preference of listed companies in China the empirical tests based on the M&A samples of listed companies in China Analysis on investment value of listed companies in China 并列题名:Analysis on investment value of listed companies in China