component. We show that both the time series and the term structure of conditional volatility in general is downward sloping and … reputation. Another testable implication is that in price series without a policy reversal, implied volatility from option prices … will exceed actual volatility. Over time, and in the absence of a reversal, this wedge progressively disappears. This may …

Countries with strong executive constraints have lower growth volatility but similar average growth to those with weak … constraints. This paper argues that this may explain a strong reduced-form correlation between executive constraints and inflows … in inflows when strong executive constraints are adopted in terms of the reduction in the volatility in productivity …

volatility. This paper focuses on extreme correlation, that is to say the correlation between returns in either the negative or … not for the positive tail. We also find that correlation is not related to market volatility per se but to the market …Testing the hypothesis that international equity market correlation increases in volatile times is a difficult exercise …