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Optimality of threshold stopping times for diffusion processes
V. I. Arkin Central Economics and Mathematics Institute Russian Academy of Sciences, Moscow
Abstract:
This paper is concerned with the optimal stopping problem for Itô
diffusion processes over a class of stopping times. Necessary and sufficient optimality
conditions are studied for a parametrically
specified class of stopping times. A detailed analysis is given for the case of
one-dimensional diffusion processes and threshold stopping times. Necessary
and sufficient conditions are put forward for optimality of
a threshold stopping time over
all stopping times. A number of relations are obtained between the
solution of the optimal stopping problem over the class of threshold moments
and the solution of the free-boundary problem.
Keywords:
diffusion processes, optimal stopping, threshold stopping time, free-boundary problem.
Received: 17.01.2018 Revised: 28.06.2019 Accepted: 11.07.2019
Citation:
V. I. Arkin, “Optimality of threshold stopping times for diffusion processes”, Teor. Veroyatnost. i Primenen., 65:3 (2020), 437–459; Theory Probab. Appl., 65:3 (2020), 341–358
Linking options:
https://www.mathnet.ru/eng/tvp5205https://doi.org/10.4213/tvp5205 https://www.mathnet.ru/eng/tvp/v65/i3/p437
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