autoregression, we derive return and volatility spillover indices over the rolling sub-sample windows. We show that there is … substantial difference between the behavior of the East Asian return and volatility spillover indices over time. While the return … spillover index reveals increased integration among the East Asian equity markets, the volatility spillover index experiences …

volatility across di.erent time scales. We call this property asymmetric vertical dependence. It is asymmetric in the sense that … a low volatility state (regime) at a long time horizon is most likely followed by low volatility states at shorter time … horizons. On the other hand, a high volatility state at long time horizons does not necessarily imply a high volatility state …