Investing Portfolio Efficient Front Under A New Function Of Transaction Cost

This text establishes two kinds of investing portfolio modle mostly based tectonic new function of cost-containing in non risk capital and risk capital investing portfolio modle.meanwhile it comes out efficient front of two kinds of investing portfolio modles and the best of all investing plan.First This text introduces three primary measuring means of financial risk-variance VaR, CVaR in order to start the work of this text.it also introduces three kinds of efficient front.and characters of measuring means of financial risk, analyses and estimates their good aspect and shortcoming.and it recommends the definitions of three kinds of efficient front ,it expresses meane-equation calculateing method of boundline curve,meanwhile it comes out investing portfolio modle about VaR,CVaR in case of yield submit to normal distribution, equation calculateing method of boundline curve and their relation of three kinds of efficient front..Secondly this department is important work of this text .it mainly studys VaR, CVaR,eaually it constructs new function of tansaction cost,meanwhile it comes out investing portfolio modles about VaR, CVaR in case of .and exports equation of boundline curve in mean -VaR, mean -CVaR, the best of all investing plan. last it demonstrates and analyses mean-CVaR efficient front by the result of this text (non risk capital and risk capital investing portfolio modles.),the demonstration makes know that if changing means of paying of transaction cost, the best of all investing plan also changes.