Mathematics – Probability
Scientific paper
2011-08-21
Mathematics
Probability
Scientific paper
This paper deals with asset price bubbles modeled by strict local martingales. To any strict local martingale one can associate a new measure, which is studied in detail in the first part of the paper. In the second part we determine the "default term" apparent in risk-neutral option prices if the underlying stock exhibits a bubble modeled by a strict local martingale. Results for certain path dependent options and last passage time formulas are given.
Kardaras Constantinos
Kreher Doerte
Nikeghbali Ashkan
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