Valuation of American options in the presence of event risk
AbstractThis paper studies the valuation of American options in the presence of external/non-hedgeable event risk. When the event occurs, the American option is terminated and a rebate is paid instead of the promised pay-off profile. Consequently, the presence of event risk influences the exercise strategy of the option holder. For the financial market in a diffusion setting, the probabilistic structure in terms of equivalent martingale measures is briefly analysed. Then, for a given equivalent martingale measure the optimal stopping problem of the American option is solved. As a main result, no-arbitrage bounds for American option values in the presence of event risk are derived, as well as hedging strategies corresponding to the no-arbitrage bounds. Copyright Springer-Verlag Berlin/Heidelberg 2005
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Bibliographic InfoArticle provided by Springer in its journal Finance and Stochastics.
Volume (Year): 9 (2005)
Issue (Month): 1 (January)
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Web page: http://www.springerlink.com/content/101164/
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- Dai, Min & Kwok, Yue Kuen & You, Hong, 2007. "Intensity-based framework and penalty formulation of optimal stopping problems," Journal of Economic Dynamics and Control, Elsevier, vol. 31(12), pages 3860-3880, December.
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