Double Bubbles in Assets Markets With Multiple Generations

Hedging of Options in Jump-Diffusion Markets with Correlated Assets

We consider the hedging problem in a jump-diffusion market with correlated assets. For this purpose, we employ the locally risk-minimizing approach and obtain the hedging portfolio as a solution of a multidimensional system of linear equations. ‎This system shows that in a continuous market, independence and correlation assumptions of assets lead to the same locally risk-minimizing portfolio. ‎...

Bubbles in assets with finite life∗

We study the speculative value of a finitely lived asset when investors disagree and short sales are limited. In this case, investors are willing to pay a speculative value for the resale option they obtain when they acquire the asset. We characterize the equilibrium speculative value as a solution to a fixed point problem for a monotone operator F. A Dynamic Programming Principle applies and i...

Asset Bubbles and Overlapping Generations

Bubbles in Real Estate Markets

Evaluation of Multiple Bubbles in the Stock Market of Tehran

عدم تشخیص حباب‌های قیمت دارایی و نوع آن (یگانه و چندگانه) موجب اثرات مخربی بر اقتصاد می‌شود. ابزارهای اقتصادی جدید، نه تنها تحلیل رفتار انفجاری ملایم حباب را ممکن گردانیده؛ بلکه تعیین تاریخ شروع و خاتمه آنها را نیز مهیا کرده است. هدف مطالعه حاضر کشف حباب‌های قیمت بورس اوراق بهادار تهران و شرکت فرابورس ایران و تعیین تاریخ‌های شروع، انفجار و محو کامل حباب در دوره 01/1389 تا 01/1395 است. در این ر...