Research on institutional environment, managerial power and investment efficiency 并列题名：Research on institutional environment, managerial power and investment efficiency Institution environment, managerial behavior and corporate efficiency 并列题名：Institution environment, managerial behavior and corporate efficiency Research on the effect of environmental regulation on green development efficiency Managerial contro, institutional environment and corporate governance efficiency Research on institution environment, corporate political strategy and debt contracts Research on accounting conservatism and business investment efficiency Research on regional green innovation and green development efficiency 并列题名：Managerial contro, institutional environment and corporate governance efficiency