Based on statistical data about profit rates of various securities, this paper applies the average profit rates as a standard measure of the expected return of securities and the sum of absolute error between the practical profit rate and the average profit rate as a standard measure of the mvestment risk of securities, provides the multiple objective linear programming of securities investment.

This paper adopts the exponential smoothing measure for the expected return and the investment risk of the portfolioes.

The risk of individual\'s investment in higher education is the excessive risk in the education,the major risk,the employment risks,and the risks of expected return and the main body risk.

The expected revenue for seller will be made better off,by introducing a withdrawal right when there is a state in which the object gives dis-utility to the bidders.

In addition, the expected revenue is studied if the valuation is drawn from the uniform distribution.

We make the empirical research into the influence of expected revenue on the demand for education at different levels on the basis of the figures of households in the cities and towns given by the National Statistics Bureau in 2000.

An Empirical Exploration of Liquidity and Expected Returns on Chinese Stock Markets Based on Turnover Ratios;

Research on Expected Returns of Listed Company Based on Company Capital Growth;

Boot the old SV-m model and A-SV-m model are used in empirical studies on the relationship between expected returns and volatility.

This paper uses CAPM to calculate the value of β and the expected yield of different power consumers.

Given no dividend, this paper also performs an empirical research on its forecast effect, which is decided by the precision of estimated expected yield and changeability.