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Replica Analysis for Portfolio Optimization with Single-Factor Model

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  • Takashi Shinzato

Abstract

In this paper, we use replica analysis to investigate the influence of correlation among the return rates of assets on the solution of the portfolio optimization problem. We consider the behavior of the optimal solution for the case where the return rate is described with a single-factor model and compare the findings obtained from our proposed methods with correlated return rates with those obtained with independent return rates. We then analytically assess the increase in the investment risk when correlation is included. Furthermore, we also compare our approach with analytical procedures for minimizing the investment risk from operations research.

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  • Takashi Shinzato, 2017. "Replica Analysis for Portfolio Optimization with Single-Factor Model," Papers 1704.01366, arXiv.org.
    • Handle: RePEc:arx:papers:1704.01366
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    File URL: http://arxiv.org/pdf/1704.01366
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