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مطالعه تطبیقی مدل بهینه سازی پرتفوی چند دوره ای چندهدفه در محیط اعتبار فازی با معیارهای متفاوت ریسک | ||
راهبرد مدیریت مالی | ||
مقاله 1، دوره 5، شماره 3 - شماره پیاپی 18، آذر 1396، صفحه 1-26 اصل مقاله (1.94 M) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22051/jfm.2017.16640.1450 | ||
نویسندگان | ||
امیر شیری قهی1؛ حسین دیده خانی* 2؛ کاوه خلیلی3؛ پرویز سعیدی4 | ||
1گروه مدیریت مالی، واحد علیآباد کتول، دانشگاه آزاد اسلامی، علیآباد کتول، ایران | ||
2گروه مهندسی مالی، واحد علیآباد کتول، دانشگاه آزاد اسلامی، علیآباد کتول، ایران، | ||
3گروه مهندسی صنایع، واحد تهران جنوب، دانشگاه آزاد اسلامی، تهران، ایران | ||
4گروه مدیریت مالی، واحد علیآباد کتول، دانشگاه آزاد اسلامی، علی آباد کتول، ایران | ||
چکیده | ||
هدف از پژوهش حاضر مقایسه تطبیقی مدلهای بهینهسازی پرتفوی در محیط اعتبار فازی میباشد. به این منظور سه مدل بهینهسازی پرتفوی طراحی گردید. بهجای در نظر گرفتن مدل تک دورهای پرتفوی از مدل سه دورهای استفاده گردید. معیارهای ریسک استفادهشده در مدلها عبارتاند از ارزش در معرض خطر، ارزش در معرض خطر میانگین و نیم آنتروپی. همچنین بهمنظور نزدیک شدن مدل به دنیای واقعی سرمایهگذاری با در نظر گرفتن هزینه معاملات و سرمایهگذاری بخشی از ثروت در دارایی بدون ریسک علاوه بر محدودیتهای اصلی، از محدودیتهایی نظیر، حداقل و حداکثر تخصیص ثروت به هر دارایی، حداقل و حداکثر تعداد سهام موجود در پرتفوی و همچنین از آنتروپی نسبت برای رسیدن به حداقل درجه تنوعبخشی استفاده شد. هر سه مدل این پژوهش با استفاده از الگوریتم MOPSO اجرا گردید. نتایج حاصل از ارزیابی عملکرد پرتفوهای بهینه با در نظر گرفتن معیارهای شارپ و ترینر نشان داد، مدل Mean- AVaR نسبت به دو مدل Mean- Semi Entropy و Mean-VaR عملکرد بهتری دارد. | ||
کلیدواژهها | ||
بهینهسازی پرتفوی؛ تئوری اعتبار فازی؛ ریسک؛ الگوریتم MOPSO | ||
عنوان مقاله [English] | ||
A Comparative Study of Multi-Objective Multi-Period Portfolio Optimization Models in a Fuzzy Credibility Environment Using Different Risk Measures | ||
نویسندگان [English] | ||
Amir Shiri Ghahi1؛ Hosein Didehkhani2؛ Kaveh Khalili Damghani3؛ Parviz Saeedi4 | ||
1islamic azad university of aliabad | ||
2islamic azad university of aliabad | ||
3Department of Industrial engineering islamic azad university of tehran | ||
4islamic azad university of aliabad | ||
چکیده [English] | ||
The purpose of the present research is to compare portfolio optimization models in a fuzzy credibility environment, aimed for end-of-period wealth maximization and risk minimization. The investor’s risk was measured using the Value at Risk (VaR), Average Value at Risk (AVaR) and semi Entropy. In order to get closer to the real world investment model, while allowing for transaction costs and investing part of wealth in risk-free assets, in addition to the cardinal constraints, other constraints including the minimum and maximum amount of wealth assigned to each asset, and the minimum and maximum number of stocks present in portfolio were applied. The results of the multi-period models running by MOPSO algorithm indicated for the models Mean-AVaR, Mean-Semi Entropy, and Mean-VaR, respectively, performed better, in terms of Sharp and Treynor measures. | ||
کلیدواژهها [English] | ||
Portfolio Optimization, Fuzzy Credibility Theory, risk, MOPSO Algorithm | ||
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