We derive robust good-deal hedges and valuations under combined model ambiguity about the drift and volatility of asset …-arbitrage bounds. In mathematical terms, it demands however that not just ambiguities about the volatility but also about the drift …

theory, predicting that greater risk reduces contestants' incentives to exert effort. Moreover, the equilibrium prize spread …

&A announcements are associated with more positive abnormal returns when market uncertainty as measured by the CBOE Volatility Index is …

This study introduces a novel index based on expectations concordance for explaining stock-price volatility when novel … market volatility. Lower expectations concordance produces a stabilizing effect wherein the offsetting views reduce market … volatility. The empirical findings hold for ex post and ex ante measures of volatility and for OLS and GARCH estimates. …