Departmental Bulletin Paper 情報・推定・制約が対数型期待効用最大化に与える影響
EFFECTS OF INFORMATION, ESTIMATIONS AND CONSTRAINTS ON EXPECTED LOG-UTILITY MAXIMIZATION PROBLEM

朝倉, 悠也  ,  ASAKURA, Yuya

(56) 2015-03-24 , 法政大学大学院理工学・工学研究科
ISSN:2187-9923
NCID:AA12677220
Description
In this paper, we consider effects of information, estimations and constraints on portfolio optimization problems in mathematical nance. In particular, a portfolio optimization problem of an investor who wants to maximize an expected utility of the investor's terminal wealth is considered. As our risky security model we adopt a factor model in which the growth rate depends on an exogenous factor. We assume several strategies whose differences come from information of markets, estimations of a parameter and constraints of strategies, and study their effects to an expected utility theoretically and numerically. We adopt the logarithmic utility function as a utility function showing a risk aversion investor.
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http://repo.lib.hosei.ac.jp/bitstream/10114/10618/1/13R6202.pdf

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