UTILITY MAXIMIZATION UNDER MODEL UNCERTAINTY IN DISCRETE TIME

We give a general formulation of the utility maximization problem under nondominated model uncertainty in discrete time and show that an optimal portfolio exists for any utility function that is bounded from above. In the unbounded case, integrability conditions are needed as nonexistence may arise...

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Veröffentlicht in:	Mathematical finance 2016-04, Vol.26 (2), p.252-268
1. Verfasser:	Nutz, Marcel
Format:	Artikel
Sprache:	eng
Schlagworte:	Economic models Economic theory Knightian uncertainty nondominated model Studies United States utility maximization
Online-Zugang:	Volltext
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