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An intensive and still growing body of research focuses on estimating a portfolio’s Value-at-Risk.Depending on both the …
Persistent link: https://www.econbiz.de/10010324653
Value at risk (VaR) has become a standard measure of portfolio risk over the last decade. It even became one of the … increase risk. This finding is of relevance not only for investors, but even more so for bank regulation authorities. …
Persistent link: https://www.econbiz.de/10010296148
Factor based forecasting has been at the forefront of developments in the macroeconometric forecasting literature in the recent past. Despite the flurry of activity in the area, a number of specification issues such as the choice of the number of factors in the forecasting regression, the...
Persistent link: https://www.econbiz.de/10011605097
Several Bayesian model combination schemes, including some novel approaches that simultaneously allow for parameter uncertainty, model uncertainty and robust time varying model weights, are compared in terms of forecast accuracy and economic gains using financial and macroeconomic time series....
Persistent link: https://www.econbiz.de/10010325722
factor risk model, when augmented with reference returns, is capable of generating visually consistent return distributions …
Persistent link: https://www.econbiz.de/10011604687
The specification of prior parameters is a common practical problem when implementing Bayesian approaches to portfolio optimization. The precision parameter of the prior on the expected asset returns reflects the confidence of the investor in the prior knowledge. Within the framework of the...
Persistent link: https://www.econbiz.de/10010311007
For credit risk assessment, probability of default and correlation have to be estimated simultaneously. However, these … how many periods should be available for assessing credit risk taking account of estimation uncertainty if bootstrapping …
Persistent link: https://www.econbiz.de/10010267037
which include estimation uncertainty but ignore default correlation might estimate the real credit risk more correctly than …
Persistent link: https://www.econbiz.de/10010269918
We solve for the optimal portfolio allocation in a setting where both conditional correlation and theclustering of extreme events are considered. We demonstrate that there is a substantial welfare loss indisregarding tail dependence, even when dynamic conditional correlation has been accounted...
Persistent link: https://www.econbiz.de/10010326016
funds in time of low risk-free rates and when active funds charge high management costs. Actively managed funds have a lower … fundamentals) tend to occur if active portfolio managers exhibit high risk aversion, but are less frequent than positive bubbles. …
Persistent link: https://www.econbiz.de/10010323727