收益差的
2.This article applies the across-sectional absolute deviation of return (CSAD), proves that there exists Herding Behavior on Chinese stock market.
3.Dispersal degree test and cross sectional absolute deviation test are two kinds of methods to test herding behavior on the financial market.
4.Risk premium : The additional return an investor expects from holding a risky asset rather than a riskless one ? in essence the difference between the total expected return on an investment and the appropriate estimated risk-free return.
5.Film has traditionally been a good business and a bad investment.
6.In regards to techniques employed in active asset allocation, the author found that models applied in asset allocation can be divided into the optimal mean-variance model and risk averse asset allocation model, according to their different risk levels, and they can also be divided into linear asset allocation model and non-linear asset allocation model according to whether the asset return follows a normal distribution.
7.The author inquiers into preliminarily profits and risks of portfolio investment and makes use of variance and expectation to describe the rate of negotiable securities investment.
8.In this paper,quantum-behaved particle swarm optimization algorithm is developed for some serious disadvantages of traditional estimating methods of ARCH,and the ARCH model for Dow-Jones average stock return are established empirically,finally forecast of the return is given.
9.In this paper, based on the project benefit and risk hobby of personal consideration, the uncertainty concept of entropy is used to measure multiple angle and directional risk combining with the analysis method of traditional variance and probability, the connection of benefit and risk has been proposed, which will become a complete process of risk appraisal for increasing dependable of risk measurement.
10.there is positive relation between the pay difference and the stock price in the quickly developing companies and there is positive relation between the pay difference and EPS in the stably developing companies.
