Thefocal spot of the thesis deals with the following issues:Firstly, the author comparatively explore the legal basic principles of contract-typeSecurities Investment Funds.

By an asymmetry information contract model, the ESO s efficiency in application was analyzed.

The interaction among protection strength of product warranty contract,product quality level provided by the manufacturer and the effort level provided by the consumers to the product under the existing double-side moral hazard between manufacturing enterprises and consumers are analyzed in this paper and a product warranty contract models is built up.

Based on the option contract model,the model of supply chain under Stackelberg model about single-supplier and single-retailer is set up,furthermore,the design problem of supply chain mechanism is discussed.

Services Outsourcing:A Relational Contract Based on the Right of Access

Acting as a relational contract,the relationship between sister cities is an effective institution which can promote inter-regional economic transactions since it can decrease the transaction cost of the inter-region economy trade connection and promote the development of Jiangsu s open economy.

Independent directors of corporate funds are superior to the assignees in contractual funds in realizing the institutional functions.