Non-asymptotic estimation of risk measures using stochastic gradient Langevin dynamics

Jiarui Chu and Ludovic Tangpi

Papers from arXiv.org

Abstract: In this paper we will study the approximation of arbitrary law invariant risk measures. As a starting point, we approximate the average value at risk using stochastic gradient Langevin dynamics, which can be seen as a variant of the stochastic gradient descent algorithm. Further, the Kusuoka's spectral representation allows us to bootstrap the estimation of the average value at risk to extend the algorithm to general law invariant risk measures. We will present both theoretical, non-asymptotic convergence rates of the approximation algorithm and numerical simulations.

Date: 2021-11, Revised 2023-02
New Economics Papers: this item is included in nep-ecm, nep-ore and nep-rmg
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