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  • 标题:Influence Of Membership Function’s Shape On Portfolio Optimization Results
  • 本地全文:下载
  • 作者:Aleksandra Rutkowska
  • 期刊名称:Journal of Artificial Intelligence and Soft Computing Research
  • 电子版ISSN:2083-2567
  • 出版年度:2016
  • 卷号:6
  • 期号:1
  • 页码:45-54
  • DOI:10.1515/jaiscr-2016-0005
  • 出版社:Walter de Gruyter GmbH
  • 摘要:Portfolio optimization, one of the most rapidly growing field of modern finance, is selection process, by which investor chooses the proportion of different securities and other assets to held. This paper studies the influence of membership function’s shape on the result of fuzzy portfolio optimization and focused on portfolio selection problem based on credibility measure. Four different shapes of the membership function are examined in the context of the most popular optimization problems: mean-variance, mean-semivariance, entropy minimization, value-at-risk minimization. The analysis takes into account both: the study of necessary and sufficient conditions for the existence of extremes, as well as the statistical inference about the differences based on simulation.
  • 关键词:fuzzy variable ; membership function ; fuzzy portfolio optimization
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