According to the basic concept of pattern recognition and combining with the theory of multifunction and BP network,the multi-factor increment model is established.

According to the characteristics of the Chinese emerging stock market, we combine the technology of neural network and hierarchical contribution analysis to make a new multi-factor model that is more suitable for the Chinese stock market.

We sets up a multi-factor model of portfolio choice with benchmark by introducing the multi-factor model of securities return into the decision-making model for investment with benchmark portfolio, studies its solution and the problem on setting value of controlling parameter in the model.

On the basis of summarizing risk budgeting technique in being, this paper introduces multi-factor model into process of risk budgeting, and sets up program of multi-factor-risk budgeting.

The Research of the SME IPO Pricing Multifactor Model;

This paper optimizes and selects the models from the vertical and horizontal directions based on the multi-ingredient model,and thereupon,supplies the basis for fixed assets analysis and forecasting.

Used Noarbitrage principle,the multi-factors pricing model is derived which corresponds to the path-dependent characteristic of Asian option.

By questionnaires and investigation,this paper makes comprehensive evaluation on the importance of influential factors on hotel products and the real satisfaction by multi-factor contribution model and effectively understands customers appraisal on the performance-price ratio of economic hotels,which will make improvement and .