%0 Journal Article %T Optimal Investment Decision on Open-end Funds %A Wei Cheng %A Guifang Ren %A Hailong Wang %J International Business Research %D 2009 %I %R 10.5539/ibr.v1n1p101 %X The study of open-end fund is conducted in this paper in terms of the theory of Random process and the theory of Sequential Decision, which based on the benefit of investors and the cost of transaction (commission occurred in the transaction). In addition the thesis introduces the method of factor of random discounting, by which investors can choose the optimal way of investment, which is calculated in an analogue case. %U http://www.ccsenet.org/journal/index.php/ibr/article/view/1022