Abstract
In this note we investigate a particular resampling scheme and Monte Carlo testing to determine critical values for two test statistics typically used for diagnosing value-at-risk models. In cases of small nominal coverage subjected to testing, the dynamic quantile test and a corresponding logit based likelihood ratio test suffer from poor convergence to the asymptotic limit distribution. In terms of empirical size both resampling and Monte Carlo approaches offer most accurate test features with the Monte Carlo technique achieving power gains if a misspecified value-at-risk model is subjected to testing.
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Herwartz, H., Waichman, I. A comparison of bootstrap and Monte-Carlo testing approaches to value-at-risk diagnosis. Comput Stat 25, 725–732 (2010). https://doi.org/10.1007/s00180-010-0194-4
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DOI: https://doi.org/10.1007/s00180-010-0194-4