Carri Chan

Stochastic depletion problems: Effective myopic policies for a class of dynamic optimization problems

Coauthor(s): Vivek Farias. View Publication

Abstract:
This paper presents a general class of dynamic stochastic optimization problems we refer to as Stochastic Depletion Problems. A number of challenging dynamic optimization problems of practical interest are stochastic depletion problems. Optimal solutions for such problems are difficult to obtain, both from a pragmatic computational perspective as also from a theoretical perspective. As such, simple heuristics are desirable. We isolate two simple properties that, if satisfied by a problem within this class, guarantee that a myopic policy incurs a performance loss of at most 50% relative to the optimal adaptive control policy for that problem. We are able to verify that these two properties are satisfied for several interesting families of stochastic depletion problems and as a consequence identify computationally efficient approximations to optimal control policies for a number of interesting dynamic stochastic optimization problems.

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