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portfolio risk-management, it is found that this time-varying realized copula model exhibits very good forecasting properties … for the one-day ahead value at risk …
Persistent link: https://www.econbiz.de/10013008110
financial returns and portfolio risk. In this paper, we propose an adjustment of GARCH implied conditional value-at-risk and …, especially the Frank-GARCH models provide most conservative risk forecasts and out-perform all rival models …
Persistent link: https://www.econbiz.de/10013084434
financial returns and port-folio risk. In this paper, we propose an adjustment of GARCH implied conditional value-at-risk and …, especially the Frank-GARCH models provide most conservative risk forecasts and out-perform all rival models. -- Copula … distributions ; expected shortfall ; GARCH ; model selection ; non-Gaussian innovations ; risk forecasting ; value-at-risk …
Persistent link: https://www.econbiz.de/10009723920
I propose a novel method, the Wasserstein Index Generation model (WIG), to generate a public sentiment index automatically. To test the model's effectiveness, an application to generate Economic Policy Uncertainty (EPU) index is showcased
Persistent link: https://www.econbiz.de/10012858940
can grasp concepts from quantitative risk management. To this end, we enter a scholarly discussion with ChatGPT in the … courses on quantitative risk management, and address risk in general, risk measures, time series, extremes and dependence. As … a result, the non-technical aspects of risk (such as explanations of various types of financial risk, the driving …
Persistent link: https://www.econbiz.de/10014375303
construction and risk management. Typically, outliers are addressed prior to model fitting by applying some combination of trimming …
Persistent link: https://www.econbiz.de/10012946531
An agent faces a decision under uncertainty with the following structure. There is a set A of “acts”; each will yield an unknown real-valued payoff. Linear combinations of acts are feasible; thus, A is a vector space. But there is no pre-specified set of states of nature. Instead, there is a...
Persistent link: https://www.econbiz.de/10012912951
The estimation of risk factors and their replication through mimicking portfolios are of critical importance for … these macro mimicking factors can be used to improve the risk-return profile of a typical endowment multi-asset portfolio …
Persistent link: https://www.econbiz.de/10012889454
In this paper we address the issue of assessing and communicating the joint probabilities implied by density forecasts from multivariate time series models. We focus our attention in three areas. First, we investigate a new method of producing fan charts that better communicates the uncertainty...
Persistent link: https://www.econbiz.de/10012989353
Persistent link: https://www.econbiz.de/10012990506