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to condition default intensities of mortgages on relevant economic risk drivers. We calibrate our model on a large … from CreditRisk+ as commonly applied in the industry. The conditional loss distribution and risk measures for a large … aggregated res-idential mortgage default risk is not only driven by the rating but also by variables such as the loan …
Persistent link: https://www.econbiz.de/10005858102
In this paper we present a modelling framework for portfolio credit risk which incorporates the dependence between risk …
Persistent link: https://www.econbiz.de/10005858332
for corporate debt, credit default swaps and collateralized debt obligations by decomposing the risk structure arisingfrom …
Persistent link: https://www.econbiz.de/10005858385
Three types of agents acting on different information sets are considered: fully informed agents, insiders, and outsiders. Differences in information quality are shown to affect the properties of their optimal portfolios. For an outsider, the share of wealth invested in the stock is decreasing...
Persistent link: https://www.econbiz.de/10005858588
Economic cycles are the key credit portfolio risk driver and they are autocorrelated over time. We then show that it is … economically meaningful to define risk for credit portfolios in a multi period setup. Since one period expected shortfall fails to … measure risk adequately in a multi period context, we then extend the coherent expected shortfall to time-conditional expected …
Persistent link: https://www.econbiz.de/10005858869
consider portfolio optimization problems. Such problems, involving conditional value at risk, play an important role in … portfolio optimization and financial risk management. Therefore, besides testing the performance of the proposed algorithm, we …
Persistent link: https://www.econbiz.de/10005858883
This paper analyzes the important time variation in U.S. aggregate portfolio allocations. To do so, we first use flexible descriptions of preferences and investment opportunities to derive optimal decision rules that nest tactical, myopic, and strategic portfolio allocations. We then compare...
Persistent link: https://www.econbiz.de/10005858885