Based on prepayment intensity process,the valuation of fixed-rate mortgage contracts is studied and an equilibrium model is built with the specification of a game between the representative mortgagor and the market whose optimal strategy are about the endogenous mortgage rates and whether to refinance a new contract or continue with the current one,respectively.

The implementation of Diagnosis Related Group System(DRGs) in the medical insurance payment system was approved of great importance to control the irrational increase of medical expenses nationally.

It includes four subsystems,namely management main body,project making decision,project procurement and payment system etc.

Therefore, how to further innovative and perfect current unemployment insurance system especially payment system, and to bring it into full-play is an urgent issue to be resolved.

In the article the author put forward the concept of payment degree;Expounded that there are positive relations between payment degree and transaction efficiency within a certain range;Discussed the revelations of the concept of payment degree on the reform of our country.

Dynamic Project Duration Optimization by Considering Payment Scheduling

This article holds an inquest of hightech enterprises in Guangdong, and finds that there is a direct correlation between pay process and know ledge worker′s incentive.