Estimating Potential Output for Mainland China The Relationship between Interpersonal Trust, Organizational Identification and Knowledge Sharing Complexity Analysis of the Hotelling Model_with Heterogeneous Players Economic Power, Right of Control and Firm Contracts Correlation Analysis of Financial Markets A Commentary on Contagion Theory in Financial System Inflation-Output Co-Stabilization in China.. An Empirical Analysis Approximating Lorenz Curve by Piecewise Quardratic Polynomial Risk Measurement of Money Funds against the Background of Internet Finance