Theoretical empirical studies on optimal reinsurance Theoretical and empirical studies on urban resilience Theoretical and empirical studies on implementation of law Theoretical and empirical study on cyclical company valuation Theory and empirical studies for China's city-regional governance Theoretical and empirical study on the power list system Theoretical analysis and empirical study on health insurance fraud theoretical analysis and policy research 并列题名:Theory and empirical studies for China's city-regional governance