Theoretical and empirical study on relation of physical and environmental reproduction Theoretical and empirical study on evolution of industrial organization Theoretical and empirical study on cyclical company valuation Theoretical and empirical studying on television programming differentiation Theoretical and empirical research on regional innovation model selection Theoretical and empirical study of family farm development Theoretical and empirical study on innovation-driven growth Theoretical and empirical study on marine fishery production in China Theoretical and empirical study on evaluation system for humanities and social sciences achievements Theoretical and empirical study of the tariffs protection and dynamic comparative advantage