liquidity shock, separating information maximum likelihood estimation of the integrated volatility and covariance with micro … illustrations, EVT and tail-risk modelling, with evidence from market indices and volatility series, the economics of data using … simple model free volatility in a high frequency world, arbitrage-free implied volatility surfaces for options on single …

and volatility in contrast to the exogenously assumed constant mean and volatility in many credit risk models. We consider … attenuated (amplified) market volatility and risk premium, but the market value is always higher in economic downturns, and lower …