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that, while inessential to the theoretical mechanism that is central to the specific theory, would be essential to fit the …
Persistent link: https://www.econbiz.de/10012792815
probabilities, on reduced-form credit risk stress testing. This type of uncertainty is omnipresent in most macroeconomic stress … testing applications due to short time series for banks' portfolio risk parameters and highly collinear macroeconomic … distributions and implied capital shortfalls by conducting a full-edged top-down credit risk stress test for over 1,500 German banks …
Persistent link: https://www.econbiz.de/10011897976
In this work, we consider modeling the past volatilities through an asymmetric generalised autoregressive conditional heteroskedasticity (Garch) model with heavy tailed sampling distributions. In particular, we consider the Student-t model with unknown degrees of freedom and indicate how it may...
Persistent link: https://www.econbiz.de/10012059451
Persistent link: https://www.econbiz.de/10012208719
real economic activity growth, in line with a risk shock. Conversely, a certainty shock (a shock strongly decreasing …
Persistent link: https://www.econbiz.de/10012180723
to estimate Growth at Risk as introduced in Adrian, Boyarchenko, and Giannone's (2019) seminal paper "Vulnerable Growth …
Persistent link: https://www.econbiz.de/10012807854
This paper investigates how the ordering of variables affects properties of the time-varying covariance matrix in the Cholesky multivariate stochastic volatility model.It establishes that systematically different dynamic restrictions are imposed whenthe ratio of volatilities is time-varying....
Persistent link: https://www.econbiz.de/10012250452
Standardized Approach leads to an up to 33% lower stress impact relative to the more risk-sensitive "pseudo-IRB" approach. …
Persistent link: https://www.econbiz.de/10011764865
In this paper we set up a New-Keynesian model with a heterogenous banking sector to analyze liquidity problems on the interbank market. The presence of an interbank market is essential to consider a situation where an increased liquidity supply by the central bank is only partially passed on to...
Persistent link: https://www.econbiz.de/10010192797
This paper deals with stress tests for credit risk and shows how exploiting the discretion when setting up and … probabilities are less exposed to model and estimation risk. In addition, the risk horizon over which the stress default … extensive robustness checks for model-based credit risk stress tests. …
Persistent link: https://www.econbiz.de/10011981523