Theoretical and empirical study of the tariffs protection and dynamic comparative advantage Theoretical and empirical study of professional manager market in China Theoretical and empirical study on the governance of commercial banks Theoretical and empirical study of synergy in regional innovation system Theoretical and empirical study on financing preference of listed companies in China Theoretical and empirical study on relation of physical and environmental reproduction Theoretical and empirical study on the operation of urban public service in China Theoretical and empirical study on the integrated development of college students from the perspective of acceptance Theoretical and empirical study on marine fishery production in China Theoretical and empirical study on the evolution and optimization of the human-earth system