Study on the relationship between ownership structure and efficiency of board 并列题名：Study on the relationship between ownership structure and efficiency of board Research on the relationship between ownership structure and corporate performance of commercial banks Research on the relationship between the board structure and managers' moral hazard Study on the relationship between insurance and economic growth Study on the relationship between telecom market and regional economy Study on the relationship between 54 progressive societies and the founding of CP Study on the relationship between western culture and modern east asian literature Study on the relationship between asset market and monetary policy Study on the relationship between organizational structure, extra-role behaviors and performance