Seminars & Colloquia Calendar
"SENSITIVITY ANALYSIS OF THE UTILITY MAXIMIZATION PROBLEM WITH RESPECT TO MODEL PERTURBATIONS"
Oleksii Mostovyi, University of Connecticut
Location: HILL 705
Date & time: Tuesday, 25 April 2017 at 11:45AM 

Abstract: We study the sensitivity of the expected utility maximization problem in a continuous semimartingale market with respect to small changes in the market price of risk. Assuming that the preferences of a rational economic agent are modeled with a general utility function, we obtain a secondorder expansion of the value function, a firstorder approximation of the terminal wealth, and construct trading strategies that match the indirect utility function up to the second order. f a risktolerance wealth process exists, using it as a numeraire and under an appropriate change of measure, we reduce the approximation problem to a KunitaWatanabe decomposition.
This talk is based on the joint work with Mihai Sirbu. 
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