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Reducing model risk via positive and negative dependence assumptions

Bignozzi, Valeria; Puccetti, Giovanni; Rüschendorf, Ludger - In: Insurance / Mathematics & economics 61 (2015), pp. 17-26

Persistent link: https://www.econbiz.de/10010515943

Reduction of Value-at-Risk bounds via independence and variance information

Puccetti, Giovanni; Rüschendorf, Ludger; Small, Daniel; … - In: Scandinavian actuarial journal (2017) 3, pp. 245-266

Persistent link: https://www.econbiz.de/10011772119

Risk bounds for factor models

Bernard, Carole; Rüschendorf, Ludger; Vanduffel, Steven; … - In: Finance and stochastics 21 (2017) 3, pp. 631-659

Persistent link: https://www.econbiz.de/10011944414

An academic response to Basel 3.5

Embrechts, Paul; Puccetti, Giovanni; Rüschendorf, Ludger; … - In: Risks : open access journal 2 (2014) 1, pp. 25-48

Recent crises in the financial industry have shown weaknesses in the modeling of Risk-Weighted Assets (RWAs). Relatively minor model changes may lead to substantial changes in the RWA numbers. Similar problems are encountered in the Value-at-Risk (VaR)-aggregation of risks. In this article, we...

Persistent link: https://www.econbiz.de/10010338097

Portfolio optimization for heavy-tailed assets : Extreme Risk Index vs. Markowitz

Mainik, Georg; Mitov, Georgi; Rüschendorf, Ludger - In: Journal of empirical finance 32 (2015), pp. 115-134

Persistent link: https://www.econbiz.de/10011556804

Model uncertainty and VaR aggregation

Embrechts, Paul; Puccetti, Giovanni; Rüschendorf, Ludger - In: Journal of banking & finance 37 (2013) 8, pp. 2750-2764

Persistent link: https://www.econbiz.de/10009776377

Analysis of risk bounds in partially specified additive factor models

Rüschendorf, Ludger - In: Insurance / Mathematics & economics 86 (2019), pp. 115-121

Persistent link: https://www.econbiz.de/10012058839

Risk excess measures induced by hemi-metrics

Faugeras, Olivier; Rüschendorf, Ludger - 2018

Persistent link: https://www.econbiz.de/10013488890