Testing the hypothesis that international equity market correlation increases in volatile times is a difficult exercise … and misleading results have often been reported in the past because of a spurious relationship between correlation and … volatility. This paper focuses on extreme correlation, that is to say the correlation between returns in either the negative or …

A number of studies have provided evidence of increased correlation in global financial market returns during bear … implied correlation based on portfolio downside risk measures that does not suffer from this bias. These unbiased quantile … correlation estimates are directly applicable to portfolio optimization and to risk management techniques in general. This simple …

derive empirical predictions for the direction of correlation and for whether governance is stronger or weaker with multiple …

intertemporal CAPM with the market portfolio as the only factor, size and book-to-market play separate roles in describing the cross …-section of stock returns is not necessarily inconsistent with a single-factor conditional CAPM model. …

-markets model, and the Sharpe-Lintner-Mossin Capital Asset Pricing Model (CAPM). This framework enabled us to measure how far our … discovered swift convergence towards equilibrium prices of Arrow and Debreu's model or the CAPM. This discovery is significant … walk, in favour of stochastic convergence towards CAPM and Arrow-Debreu equilibrium. …

demands in other securities, and the sign of this correlation is the same as that of the covariance of the final payoffs. In … than at (CAPM) equilibrium. Experimental evidence confirms the predictions conclusively. …

We study two-period pure-exchange Capital Asset Pricing Model (CAPM) economies, for given degrees of incompleteness of …