Variance Reduction Techniques for Estimating Value-at-Risk
Management Science
Uniformly Efficient Importance Sampling for the Tail Distribution of Sums of Random Variables
Mathematics of Operations Research
Simulating Sensitivities of Conditional Value at Risk
Management Science
Confidence intervals for quantiles when applying variance-reduction techniques
ACM Transactions on Modeling and Computer Simulation (TOMACS)
Using sectioning to construct confidence intervals for quantiles when applying importance sampling
Proceedings of the Winter Simulation Conference
Monte Carlo estimation of value-at-risk, conditional value-at-risk and their sensitivities
Proceedings of the Winter Simulation Conference
Confidence intervals for quantiles and value-at-risk when applying importance sampling
Proceedings of the Winter Simulation Conference
Bootstrap control charts in monitoring value at risk in insurance
Expert Systems with Applications: An International Journal
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Value-at-risk (VaR) and conditional value-at-risk (CVaR) are important risk measures. They are often estimated by using importance-sampling (IS) techniques. In this paper, we derive the asymptotic representations for IS estimators of VaR and CVaR. Based on these representations, we are able to prove the consistency and asymptotic normality of the estimators and to provide simple conditions under which the IS estimators have smaller asymptotic variances than the ordinary Monte Carlo estimators.