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Robust Utility Maximization in Discrete-Time Markets with Friction

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  • Ariel Neufeld
  • Mario Sikic

Abstract

We study a robust stochastic optimization problem in the quasi-sure setting in discrete-time. We show that under a lineality-type condition the problem admits a maximizer. This condition is implied by the no-arbitrage condition in models of financial markets. As a corollary, we obtain existence of an utility maximizer in the frictionless market model, markets with proportional transaction costs and also more general convex costs, like in the case of market impact.

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  • Ariel Neufeld & Mario Sikic, 2016. "Robust Utility Maximization in Discrete-Time Markets with Friction," Papers 1610.09230, arXiv.org, revised May 2018.
    • Handle: RePEc:arx:papers:1610.09230
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    References listed on IDEAS

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