Theoretical and empirical studies on implementation of law Theoretical and empirical studies on urban resilience Theoretical empirical studies on optimal reinsurance Theoretical and empirical study on innovation-driven growth Theoretical and empirical study on the power list system Theoretical and empirical study on commodity circulation space Theoretical and empirical study of synergy in regional innovation system a theoretical and empirical study based on the perspective of social capital Theoretical and empirical study on cyclical company valuation Theoretical and empirical study of family farm development