Parameter continuity of the ergodic cost for a growth optimal portfolio with proportional transaction costs

被引:4
|
作者
Duncan, T. E. [1 ]
Pasik-Duncan, B. [1 ]
Stettner, L.
机构
[1] Univ Kansas, Dept Math, Lawrence, KS 66045 USA
关键词
D O I
10.1109/CDC.2008.4739165
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Some results are given for a continuous time long run growth optimal portfolio that has proportional costs consisting of the sum of a fixed proportional cost and a cost that is proportional to the volume of each transaction. An obligatory portfolio diversification is given that requires at least a small portion of the wealth be invested in each asset. It is assumed that the price of each asset is obtained from a Levy noise stochastic equation whose coefficients depend on an unknown parameter from a compact set. It is shown that the optimal cost is a continuous function of the unknown parameter.
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页码:4275 / 4279
页数:5
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