کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5098873 | 1376965 | 2010 | 15 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Portfolio choice under transitory price impact
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
کنترل و بهینه سازی
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چکیده انگلیسی
We consider a portfolio optimization problem for a short-term investor who faces an illiquid stock market. The illiquidity of this market results from a transitory price impact that is captured by the transaction costs that are convex in the number of shares traded by an investor. The linear component in these costs defines a no-trading zone, while the nonlinear component does not allow trading the stock at an arbitrary rate. The portfolio choice problem is solved when the stock path is continuous and when the stock may crash. We find that an economy could be in states where the conditional liquidity premium is of the same order of magnitude as the historical risk premium of the stock market. If the illiquid stock undergoes crashes, then in many states, an investor demands a premium for crashes that is much higher than that in the liquid market. Finally, we study the shape of the no-trading zone when the nonlinearity in the transitory price impact is strong or moderate. We find that this shape is significantly different from that when the transitory price impact is linear.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Economic Dynamics and Control - Volume 34, Issue 11, November 2010, Pages 2375-2389
Journal: Journal of Economic Dynamics and Control - Volume 34, Issue 11, November 2010, Pages 2375-2389
نویسندگان
Sergei Isaenko,