Abstract
We prove an existence of a unique solution of an exponential martingale equation in the class of BMO martingales. The solution is used to characterize optimal martingale measures.
Citation
Revaz Tevzadze. Mikhael Mania. "An Exponential Martingale Equation." Electron. Commun. Probab. 11 206 - 216, 2006. https://doi.org/10.1214/ECP.v11-1220
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