Ultimate ownership structure，institutional environment and corporate bond contract terms 并列题名：Ultimate ownership structure，institutional environment and corporate bond contract terms Ultimate ownership structure, institutional environment and the cost of equity capital Ultimate ownership structure, institutional environment and the choice of financing structre 并列题名：Ultimate ownership structure, institutional environment and the choice of financing structre Ultimate ownership structure, social capital and bank loan contract Managerial contro, institutional environment and corporate governance efficiency 并列题名：Managerial contro, institutional environment and corporate governance efficiency