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In a quantitative model with uncertain inputs, the uncertainty of the output can be summarized by a risk measure. We … propose a sensitivity analysis method based on derivatives of the output risk measure, in the direction of model inputs. This … distortion risk measures, defined as weighted averages of output percentiles, and prove a representation of the sensitivity …
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framework is model-free and allows for stresses on the output such as (a) the mean and variance, (b) any distortion risk measure … including the Value-at-Risk and Expected-Shortfall, and (c) expected utility type constraints, thus making the reverse … sensitivity analysis framework suitable for risk models. …
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One of the main challenges for life actuaries is modeling and predicting the future mortality evolution. To this end, several stochastic mortality models have been proposed in literature, starting from the pivotal approach of the Lee-Carter model. These models essentially use the ARIMA processes...
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finance. In the second part various aspects from Value-at-Risk are discussed. The proceedings describe the legal framework …, review the basics and discuss new approaches such as shortfall measures and credit risk …
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