We define risk spillover as the dependence of a given asset variance on the past covariances and variances of other … international equity portfolio. According to the risk management strategy proposed, portfolio risk is seen as a specific combination … currencies. In this framework, we focus on the risk spillovers across equities within the same sector (sector spillover), and …

systematic risk is highly nonlinear in extreme scenarios-especially during the subprime crisis. We find that countercyclical …-traditional risk premia by deliberately increasing their systematic risk while the later focus more on minimizing risk. Our results … suggest that the hedge fund strategies' betas respond more to illiquidity uncertainty than to illiquidity risk during crises …

We analyse models for panel data that arise in risk allocation problems, when a given set of sources are the cause of … an aggregate risk value. We focus on the modeling and forecasting of proportional contributions to risk. Compositional …

Density forecast combination is a useful tool for risk managers to reduce model risk. We present up …

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 …

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 …

Under the Basel II regulatory framework non-negligible statistical problems arise when backtesting risk measures. In …. According to Escanciano and Olmo (2010, 2011) these problems persist when incorporating estimation and model risk by adjusting … adequacy of Value at Risk measures. One main finding indicates that backtests of all classes show heavy size distortions. These …

of risk, both being associated to the stresses supported by the socio-economic system. We propose instruments for … resilience build-up and management based on a novel classification of risk and resilience management regimes corresponding to the …

risk, is attributed to the loss in utility due to being led to hunt for an inappropriate portfolio. We quantify the utility … ratio. However, the Sharpe ratio is unable to capture all the efficiency loss which, except for the change in reward for …