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Nonlocality, Nonlinearity, and Time Inconsistency in Stochastic Differential Games

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  • Qian Lei
  • Chi Seng Pun

Abstract

This paper proves the existence and uniqueness results (in the sense of maximally defined regularity) as well as the stability analysis for the solutions to a class of nonlocal fully-nonlinear parabolic systems, where the nonlocality stems from the flow feature (controlled by an external temporal parameter) of the systems. The derived mathematical results generalize the theory of stochastic differential games to incorporate with behavioral factors such as time-inconsistent preferences, which facilitate developments of many studies in financial economics including robust stochastic controls and games under relative performance concerns. Moreover, with the well-posedness results, we establish a general multidimensional Feynman--Kac formula in the presence of nonlocality (time inconsistency).

Suggested Citation

  • Qian Lei & Chi Seng Pun, 2021. "Nonlocality, Nonlinearity, and Time Inconsistency in Stochastic Differential Games," Papers 2112.14409, arXiv.org, revised Sep 2023.
    • Handle: RePEc:arx:papers:2112.14409
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    References listed on IDEAS

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    Cited by:

    1. Qian Lei & Chi Seng Pun, 2023. "On the Well-posedness of Hamilton-Jacobi-Bellman Equations of the Equilibrium Type," Papers 2307.01986, arXiv.org.

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