مدیریت پرتفوی چنددوره‌ای همراه با کنترل ورشکستگی تحت رویکرد برنامه‌ریزی پویا

نویسنده
خدیجه حسنلو
دانشگاه خاتم
10.29252/jemr.7.27.207
چکیده
مدیریت کارای سبد اوراق بهادار از دیرباز تاکنون مورد توجه محققان حوزه مالی و مطلوب سرمایهگذاران بوده است. در این پژوهش به بررسی مسأله بهینهسازی سبد اوراق بهادار چنددورهای برای مدیریت دارایی و بدهی برای سرمایهگذاری که قصد دارد قبل از رسیدن به انتهای افق سرمایهگذاری خود، احتمال ورشکستگی را نیز کنترل نماید، پرداخته شده است. سبد اوراق بهادار مورد بررسی، شامل مجموعه ای از داراییهای ریسکی، دارایی بدون ریسک و نوعی از بدهی است. یک مدل میانگین- واریانس که دارای محدودیت کنترل ورشکستگی در افقهای زمانی مختلف است، ارائه شده است. رویکرد حل در نظر گرفته برای مدل پیشنهادی، روش لاگرانژ افزاینده بهمراه برنامهریزی پویا است که با توجه به درجه پیچیدگی آن، الگوریتم ژنتیک برای ارائه جواب پیشنهاد میشود. نتایج عددی مدل با سبدی متشکل از 10 شرکت پذیرفته شده در بورس اوراق بهادار تهران ، اوراق مشارکت به عنوان دارایی بدون ریسک و وام بانکی به عنوان بدهی سرمایهگذار، به عنوان خروجی مدل ارائه شده است. نتایج حاکی ازآنست که کنترل ورشکستگی اثر پر معنایی روی استراتژی بهینه سرمایهگذاری دارد، به عبارت دیگر هنگامی که محدودیت کنترل ورشکستگی اعمال میشود، نسبت به زمانی که در نظر گرفته نمیشود، تعداد دفعات رسیدن به ورشکستگی کاهش چشمگیری دارد.
کلیدواژه‌ها
مدیریت پرتفوی
مدل میانگین واریانس
کنترل ورشکستگی
برنامه‌ریزی پویا
الگوریتم ژنتیک

عنوان مقاله English

Multi Period Portfolio Management with Bankrupt Control Using Dynamic Programming

نویسنده English

Khadijeh Hassanlou
چکیده English

Efficient portfolio management, has been attractive for financial researchers and was wished for investors from past to now. In this research, a multiperiod portfolio optimization problem for asset liability management of an investor who intends to control the probability of bankrupt is investigated. The proposed portfolio is consisting of number of risky assets, risk free asset and a type of debt. A mean variance model, with constraint of bankrupt controlling in different time horizons is proposed. Lagrangian Multiplier Method with dynamic programming is used for solving proposed model and regarding to its complexity degree, Genetic algorithm was the best selection for reaching numerical results. The proposed model is ran with real data consisting of 10 accepted company in Tehran stock exchange, bonds and bank loan as an investor debt.

کلیدواژه‌ها English

Portfolio Management
Mean- Variance Model
Dynamic programming
Genetic Algorithm
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