An adaptive multilevel stochastic approximation scheme for Value-at-Risk computation achieves complexity O(ε^{-2} |ln ε|^{5/2}) by selecting inner samples adaptively at each level.
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Establishes central limit theorems for the renormalized estimation errors of nested and multilevel stochastic approximation algorithms for VaR and ES, including averaged versions, with numerical illustration.
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Adaptive Multilevel Stochastic Approximation of the Value-at-Risk
An adaptive multilevel stochastic approximation scheme for Value-at-Risk computation achieves complexity O(ε^{-2} |ln ε|^{5/2}) by selecting inner samples adaptively at each level.
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Asymptotic Error Analysis of Multilevel Stochastic Approximations for the Value-at-Risk and Expected Shortfall
Establishes central limit theorems for the renormalized estimation errors of nested and multilevel stochastic approximation algorithms for VaR and ES, including averaged versions, with numerical illustration.