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 …

autoregressive models. We propose using Lasso-type estimators to reduce the dimensionality to a manageable one and provide strong …