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Expected Supremum Representation of the Value of a Singular Stochastic Control Problem

TLDR
The problem of representing the value of singular stochastic control problems of linear diffusions as expected suprema by setting the value accrued from following a standard reflection policy equal with the expected value of a unknown function at the running supremum of the underlying is considered.
Abstract
We consider the problem of representing the value of singular stochastic control problems of linear diffusions as expected suprema. Setting the value accrued from following a standard reflection policy equal with the expected value of a unknown function at the running supremum of the underlying is shown to result into a functional equation from which the unknown function can be explicitly derived. We also consider the stopping problem associated with the considered singular stochastic control problem and present a similar representation as an expected supremum in terms of characteristics of the control problem.

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Citations
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On a class of singular stochastic control problems for reflected diffusions

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On a Class of Singular Stochastic Control Problems for Reflected Diffusions

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References
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Connections between Optimal Stopping and Singular Stochastic Control I. Monotone Follower Problems

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Journal ArticleDOI

On an Investment-Consumption Model With Transaction Costs

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