which succeeds with high probability. -- Hedging ; superhedging ; Neyman Pearson lemma ; stochastic volatility ; value at …

We contrast two different asset pricing models, where the pricing kernel either (i) increases in the volatility … dimension, reflecting investors' aversion to volatility, or (ii) could be non-monotonic in volatility, reflecting heterogeneity … in investors' beliefs. The two models yield opposite predictions about volatility tail behavior, whereby the model with …

This paper estimates how the shape of the implied volatility smile and the size of the variance risk premium relate to … parameters of GARCH-type time-series models measuring how conditional volatility responds to return shocks. Markets in which … return shocks lead to large increases in conditional volatility tend to have larger variance risk premia than markets in …

skew swaps be used to explore the relationship between the skew in implied volatility and realized skew. Like the variance … almost half of the implied volatility skew can be explained by the skew risk premium. We provide evidence that skew and …

We address an important yet unanswered question: What would be the economic determinants of the implied volatility … during the zero lower bound periods? To answer this question, we examine time variations of the cap market implied volatility … and investigate economic determinants on slopes and curvatures of the implied volatility curves. We find that unexpected …

This paper examines the cross section of options implied volatility and corporate bond returns. We document a strong … predictive ability of corporate bond returns using changes in call and put options implied volatility. Specifically, a strategy … of buying (selling) the portfolio with lowest (highest) changes in options implied volatility yields an average monthly …