This paper analyzes volatility spillovers in multivariate GARCH-type models. We show that the cross-effects between the … conditional variances determine the persistence of the transmitted volatility innovations. In particular, the influence of a … foreign volatility innovation on a conditional variance is even more persistent than an own innovation unless this effect is …

-country interdependence of output volatility has evolved over the period 1955 to 2006. From a methodological perspective, we adopt a spatial … econometric approach, relating a country's output volatility to (distance weighted averages of) other countries' output volatility … results for the most recent period suggest that a uniform shock to output volatility in the world economy roughly …