Research on accounting conservatism and business investment efficiency Accounting quality and firms' investment efficiency Research on government governance board capital and enterprises'investment efficiency Research on regional green innovation and green development efficiency Ownership, accounting conservatism and economic consequences Research on the impact of corporate social responsibility on investment efficiency 并列题名:Research on government governance board capital and enterprises'investment efficiency 并列题名:Research on regional green innovation and green development efficiency Research on institutional environment, managerial power and investment efficiency Managerial power and firm investment efficiency