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-marginal algorithm for efficiently simulating from the posterior of the parameters. It combines efficient importance sampling, for …
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Copula-GARCH models have been recently proposed in the financial literature as a statistical tool to deal with flexible multivariate distributions. Our extensive simulation studies investigate the small sample properties of these models and examine how misspecification in the marginals may...
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Abstract We present an application of importance sampling to multi-asset options under the Heston and the Bates models … importance sampling scheme in a Multi-Level Monte Carlo simulation. In all cases, we explain how the Greeks can be computed in … the different simulation schemes using the Likelihood Ratio Method, and how combining it with importance sampling leads to …
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The evaluation of interventions such as active labor market policies or medical programs by means of a randomized controlled trial is often considered the gold standard. However, randomized experiments might face severe shortcomings especially if performed at the group level. One such problem is...
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