Choice of risk estimation models based on β value
Yang Shan · Journal of Hefei University of Technology · 2003
The modern investment portfolio theory and its evolvement model which are based on β value are introduced. It is thought that the investors who have different fund scales lie in the inequable risk levels because the cost of exchange is unbalanced and the acquirement of information uncoordinated in the Security Market,so different investors should adopt different investment strategies to obtain the excess of returns. Examples are given to explain the choices of different investment portfolios in regard to the large and small investors in the Security Market at present.