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VaR in high dimensional systems : a conditional correlation approach
Herwartz, Helmut; Pedrinha, Bruno - In: Applied quantitative finance, (pp. 83-102). 2009
Persistent link: https://www.econbiz.de/10003745954
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Measuring spot variance spillovers when (co)variances are time-varying : the case of multivariate GARCH models
Fengler, Matthias; Herwartz, Helmut - 2015
Persistent link: https://www.econbiz.de/10011717132
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Dynamic score-driven independent component analysis
Hafner, Christian M.; Herwartz, Helmut - In: Journal of business & economic statistics : JBES ; a … 41 (2023) 2, pp. 298-308
Persistent link: https://www.econbiz.de/10014448140
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A structural approach to identify financial transmission in distinguished scenarios of crises
Herwartz, Helmut; Roestel, Jan - 2018
This paper investigates the propagation of instability through key asset markets of the US financial system - equity, real estate, banking and treasury - between 1/3/2000 and 12/26/2014. For this purpose, we develop an identification method to uncover characteristic financial market...
Persistent link: https://www.econbiz.de/10011903210
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Correlation impulse response functions
Hafner, Christian M.; Herwartz, Helmut - In: Finance research letters 57 (2023), pp. 1-6
Persistent link: https://www.econbiz.de/10014513333
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Inflation targeting under inflation uncertainty : multi-economy evidence from a stochastic volatility model
Hartmann, Matthias; Herwartz, Helmut; Ulm, Maren - In: Macroeconomic dynamics 26 (2022) 5, pp. 1302-1337
Persistent link: https://www.econbiz.de/10013270236
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Identification of structural multivariate GARCH models
Hafner, Christian M.; Herwartz, Helmut; Maxand, Simone - 2018
Persistent link: https://www.econbiz.de/10011993276
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Identification of structural multivariate GARCH models
Hafner, Christian M.; Herwartz, Helmut; Maxand, Simone - In: Journal of econometrics 227 (2022) 1, pp. 212-227
Persistent link: https://www.econbiz.de/10013441647
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Predicting Tail Risks by a Markov Switching MGARCH Model with Varying Copula Regimes
Fülle, Markus J.; Herwartz, Helmut - 2022
-C-MGARCH) model of Fülle and Herwartz (2021). As an empirical illustration we take the perspective of a risk averse agent and employ … risk forecasting for daily returns over 10 years for heterogeneous market environments including, for example, the COVID-19 …
Persistent link: https://www.econbiz.de/10013405757
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Stock return prediction under GARCH : an empirical assessment
Herwartz, Helmut - In: International journal of forecasting 33 (2017) 3, pp. 569-580
Persistent link: https://www.econbiz.de/10011746190