Utility Maximization with a Stochastic Clock and an Unbounded Random Endowment

Gordan Zitkovic

Papers from arXiv.org

Abstract: We introduce a linear space of finitely additive measures to treat the problem of optimal expected utility from consumption under a stochastic clock and an unbounded random endowment process. In this way we establish existence and uniqueness for a large class of utility maximization problems including the classical ones of terminal wealth or consumption, as well as the problems depending on a random time-horizon or multiple consumption instances. As an example we treat explicitly the problem of maximizing the logarithmic utility of a consumption stream, where the local time of an Ornstein-Uhlenbeck process acts as a stochastic clock.

Date: 2007-05
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Published in Ann. Appl. Prob (2005), vol. 15, no. 1B, pp. 748-777

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